diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedFields_ScriptProperties.generated.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedFields_ScriptProperties.generated.cs
index 3e5d034268..16e133a2b5 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedFields_ScriptProperties.generated.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedFields_ScriptProperties.generated.cs
@@ -253,6 +253,10 @@ partial class ExportedFields
         /// </summary>
         public new static readonly global::Godot.StringName @_fieldGodotGenericArray = "_fieldGodotGenericArray";
         /// <summary>
+        /// Cached name for the '_notIgnoredField' field.
+        /// </summary>
+        public new static readonly global::Godot.StringName @_notIgnoredField = "_notIgnoredField";
+        /// <summary>
         /// Cached name for the '_fieldEmptyInt64Array' field.
         /// </summary>
         public new static readonly global::Godot.StringName @_fieldEmptyInt64Array = "_fieldEmptyInt64Array";
@@ -505,6 +509,10 @@ partial class ExportedFields
             this.@_fieldGodotGenericArray = global::Godot.NativeInterop.VariantUtils.ConvertToArray<int>(value);
             return true;
         }
+        if (name == PropertyName.@_notIgnoredField) {
+            this.@_notIgnoredField = global::Godot.NativeInterop.VariantUtils.ConvertTo<int>(value);
+            return true;
+        }
         if (name == PropertyName.@_fieldEmptyInt64Array) {
             this.@_fieldEmptyInt64Array = global::Godot.NativeInterop.VariantUtils.ConvertTo<long[]>(value);
             return true;
@@ -759,6 +767,10 @@ partial class ExportedFields
             value = global::Godot.NativeInterop.VariantUtils.CreateFromArray(this.@_fieldGodotGenericArray);
             return true;
         }
+        if (name == PropertyName.@_notIgnoredField) {
+            value = global::Godot.NativeInterop.VariantUtils.CreateFrom<int>(this.@_notIgnoredField);
+            return true;
+        }
         if (name == PropertyName.@_fieldEmptyInt64Array) {
             value = global::Godot.NativeInterop.VariantUtils.CreateFrom<long[]>(this.@_fieldEmptyInt64Array);
             return true;
@@ -835,6 +847,7 @@ partial class ExportedFields
         properties.Add(new(type: (global::Godot.Variant.Type)28, name: PropertyName.@_fieldGodotArray, hint: (global::Godot.PropertyHint)0, hintString: "", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
         properties.Add(new(type: (global::Godot.Variant.Type)27, name: PropertyName.@_fieldGodotGenericDictionary, hint: (global::Godot.PropertyHint)23, hintString: "4/0:;1/0:", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
         properties.Add(new(type: (global::Godot.Variant.Type)28, name: PropertyName.@_fieldGodotGenericArray, hint: (global::Godot.PropertyHint)23, hintString: "2/0:", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
+        properties.Add(new(type: (global::Godot.Variant.Type)2, name: PropertyName.@_notIgnoredField, hint: (global::Godot.PropertyHint)0, hintString: "", usage: (global::Godot.PropertyUsageFlags)4096, exported: false));
         properties.Add(new(type: (global::Godot.Variant.Type)31, name: PropertyName.@_fieldEmptyInt64Array, hint: (global::Godot.PropertyHint)0, hintString: "", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
         return properties;
     }
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedProperties_ScriptProperties.generated.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedProperties_ScriptProperties.generated.cs
index 05ffd873be..dd2e1a0495 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedProperties_ScriptProperties.generated.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/GeneratedSources/ExportedProperties_ScriptProperties.generated.cs
@@ -293,6 +293,10 @@ partial class ExportedProperties
         /// </summary>
         public new static readonly global::Godot.StringName @PropertyGodotGenericArray = "PropertyGodotGenericArray";
         /// <summary>
+        /// Cached name for the 'NotIgnoredProperty' property.
+        /// </summary>
+        public new static readonly global::Godot.StringName @NotIgnoredProperty = "NotIgnoredProperty";
+        /// <summary>
         /// Cached name for the '_notGeneratePropertyString' field.
         /// </summary>
         public new static readonly global::Godot.StringName @_notGeneratePropertyString = "_notGeneratePropertyString";
@@ -609,6 +613,10 @@ partial class ExportedProperties
             this.@PropertyGodotGenericArray = global::Godot.NativeInterop.VariantUtils.ConvertToArray<int>(value);
             return true;
         }
+        if (name == PropertyName.@NotIgnoredProperty) {
+            this.@NotIgnoredProperty = global::Godot.NativeInterop.VariantUtils.ConvertTo<int>(value);
+            return true;
+        }
         if (name == PropertyName.@_notGeneratePropertyString) {
             this.@_notGeneratePropertyString = global::Godot.NativeInterop.VariantUtils.ConvertTo<string>(value);
             return true;
@@ -927,6 +935,10 @@ partial class ExportedProperties
             value = global::Godot.NativeInterop.VariantUtils.CreateFromArray(this.@PropertyGodotGenericArray);
             return true;
         }
+        if (name == PropertyName.@NotIgnoredProperty) {
+            value = global::Godot.NativeInterop.VariantUtils.CreateFrom<int>(this.@NotIgnoredProperty);
+            return true;
+        }
         if (name == PropertyName.@_notGeneratePropertyString) {
             value = global::Godot.NativeInterop.VariantUtils.CreateFrom<string>(this.@_notGeneratePropertyString);
             return true;
@@ -1044,6 +1056,7 @@ partial class ExportedProperties
         properties.Add(new(type: (global::Godot.Variant.Type)28, name: PropertyName.@PropertyGodotArray, hint: (global::Godot.PropertyHint)0, hintString: "", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
         properties.Add(new(type: (global::Godot.Variant.Type)27, name: PropertyName.@PropertyGodotGenericDictionary, hint: (global::Godot.PropertyHint)23, hintString: "4/0:;1/0:", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
         properties.Add(new(type: (global::Godot.Variant.Type)28, name: PropertyName.@PropertyGodotGenericArray, hint: (global::Godot.PropertyHint)23, hintString: "2/0:", usage: (global::Godot.PropertyUsageFlags)4102, exported: true));
+        properties.Add(new(type: (global::Godot.Variant.Type)2, name: PropertyName.@NotIgnoredProperty, hint: (global::Godot.PropertyHint)0, hintString: "", usage: (global::Godot.PropertyUsageFlags)4096, exported: false));
         return properties;
     }
 #pragma warning restore CS0109
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedFields.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedFields.cs
index a89c4afc2e..3cb438056c 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedFields.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedFields.cs
@@ -104,4 +104,9 @@ public partial class ExportedFields : GodotObject
 
     [Export]
     private Godot.Collections.Array<int> _fieldGodotGenericArray = new() { 0, 1, 2, 3, 4, 5, 6 };
+
+    private int _notIgnoredField;
+
+    [IgnoreMember]
+    private int _ignoredField;
 }
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedProperties.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedProperties.cs
index 2753c5ec9a..76d2d30d65 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedProperties.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ExportedProperties.cs
@@ -223,4 +223,9 @@ public partial class ExportedProperties(string primaryCtorParameter) : GodotObje
 
     [Export]
     private Godot.Collections.Array<int> PropertyGodotGenericArray { get; set; } = new() { 0, 1, 2, 3, 4, 5, 6 };
+
+    public int NotIgnoredProperty { get; set; }
+
+    [IgnoreMember]
+    public int IgnoredProperty { get; set; }
 }
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/Methods.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/Methods.cs
index 1da9db8204..8526fbd260 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/Methods.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/Methods.cs
@@ -2,6 +2,11 @@ using Godot;
 
 public partial class Methods : GodotObject
 {
+    [IgnoreMember]
+    private void IgnoredMethod()
+    {
+    }
+
     private void MethodWithOverload()
     {
     }
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ScriptBoilerplate.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ScriptBoilerplate.cs
index b431522e7c..5f91f89b7a 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ScriptBoilerplate.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators.Tests/TestData/Sources/ScriptBoilerplate.cs
@@ -5,6 +5,12 @@ public partial class ScriptBoilerplate : Node
     private NodePath _nodePath;
     private int _velocity;
 
+    [IgnoreMember]
+    private int _ignoredField;
+
+    [IgnoreMember]
+    private int IgnoredProperty { get; set; }
+
     public override void _Process(double delta)
     {
         _ = delta;
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs
index 4ba64dc8dd..222e479bfe 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs
@@ -299,6 +299,9 @@ namespace Godot.SourceGenerators
         public static bool IsSystemFlagsAttribute(this INamedTypeSymbol symbol)
             => symbol.FullQualifiedNameOmitGlobal() == GodotClasses.SystemFlagsAttr;
 
+        public static bool IsGodotIgnoreMemberAttribute(this INamedTypeSymbol symbol)
+            => symbol.FullQualifiedNameOmitGlobal() == GodotClasses.IgnoreMemberAttr;
+
         public static GodotMethodData? HasGodotCompatibleSignature(
             this IMethodSymbol method,
             MarshalUtils.TypeCache typeCache
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/GodotClasses.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/GodotClasses.cs
index 3264ec2b54..8dee054652 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/GodotClasses.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/GodotClasses.cs
@@ -11,6 +11,7 @@ namespace Godot.SourceGenerators
         public const string ExportGroupAttr = "Godot.ExportGroupAttribute";
         public const string ExportSubgroupAttr = "Godot.ExportSubgroupAttribute";
         public const string ExportToolButtonAttr = "Godot.ExportToolButtonAttribute";
+        public const string IgnoreMemberAttr = "Godot.IgnoreMemberAttribute";
         public const string SignalAttr = "Godot.SignalAttribute";
         public const string MustBeVariantAttr = "Godot.MustBeVariantAttribute";
         public const string GodotClassNameAttr = "Godot.GodotClassNameAttribute";
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptMethodsGenerator.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptMethodsGenerator.cs
index 7cbab34c5b..ddff4ddf7a 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptMethodsGenerator.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptMethodsGenerator.cs
@@ -128,6 +128,8 @@ namespace Godot.SourceGenerators
             var methodSymbols = members
                 .Where(s => s.Kind == SymbolKind.Method && !s.IsImplicitlyDeclared)
                 .Cast<IMethodSymbol>()
+                .Where(m => !m.GetAttributes()
+                    .Any(a => a.AttributeClass?.IsGodotIgnoreMemberAttribute() ?? false))
                 .Where(m => m.MethodKind == MethodKind.Ordinary);
 
             var godotClassMethods = methodSymbols.WhereHasGodotCompatibleSignature(typeCache)
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertiesGenerator.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertiesGenerator.cs
index 3846cc0a04..05db522bdb 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertiesGenerator.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertiesGenerator.cs
@@ -112,7 +112,9 @@ namespace Godot.SourceGenerators
             source.Append(symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat));
             source.Append("\n{\n");
 
-            var members = symbol.GetMembers();
+            var members = symbol.GetMembers()
+                .Where(m => !m.GetAttributes()
+                    .Any(a => a.AttributeClass?.IsGodotIgnoreMemberAttribute() ?? false));
 
             var propertySymbols = members
                 .Where(s => !s.IsStatic && s.Kind == SymbolKind.Property)
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs
index b3e6a055fe..a9659ccec2 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptPropertyDefValGenerator.cs
@@ -111,7 +111,9 @@ namespace Godot.SourceGenerators
 
             var exportedMembers = new List<ExportedPropertyMetadata>();
 
-            var members = symbol.GetMembers();
+            var members = symbol.GetMembers()
+                .Where(m => !m.GetAttributes()
+                    .Any(a => a.AttributeClass?.IsGodotIgnoreMemberAttribute() ?? false));
 
             var exportedProperties = members
                 .Where(s => s.Kind == SymbolKind.Property)
diff --git a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptSerializationGenerator.cs b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptSerializationGenerator.cs
index 1329727448..c83fbb3bd2 100644
--- a/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptSerializationGenerator.cs
+++ b/modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ScriptSerializationGenerator.cs
@@ -110,7 +110,9 @@ namespace Godot.SourceGenerators
             source.Append(symbol.ToDisplayString(SymbolDisplayFormat.MinimallyQualifiedFormat));
             source.Append("\n{\n");
 
-            var members = symbol.GetMembers();
+            var members = symbol.GetMembers()
+                .Where(m => !m.GetAttributes()
+                    .Any(a => a.AttributeClass?.IsGodotIgnoreMemberAttribute() ?? false));
 
             var propertySymbols = members
                 .Where(s => !s.IsStatic && s.Kind == SymbolKind.Property)
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/IgnoreMemberAttribute.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/IgnoreMemberAttribute.cs
new file mode 100644
index 0000000000..8517df5fe6
--- /dev/null
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/Attributes/IgnoreMemberAttribute.cs
@@ -0,0 +1,10 @@
+using System;
+
+namespace Godot
+{
+    /// <summary>
+    /// An attribute that excludes a member from registering as a method or property in Godot.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field)]
+    public sealed class IgnoreMemberAttribute : Attribute { }
+}
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj b/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
index 6482a16c53..cabcdea25b 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
+++ b/modules/mono/glue/GodotSharp/GodotSharp/GodotSharp.csproj
@@ -74,6 +74,7 @@
     <Compile Include="Core\Attributes\ScriptPathAttribute.cs" />
     <Compile Include="Core\Attributes\SignalAttribute.cs" />
     <Compile Include="Core\Attributes\ToolAttribute.cs" />
+    <Compile Include="Core\Attributes\IgnoreMemberAttribute.cs" />
     <Compile Include="Core\Basis.cs" />
     <Compile Include="Core\Bridge\CSharpInstanceBridge.cs" />
     <Compile Include="Core\Bridge\GCHandleBridge.cs" />