diff --git a/eng/Publishing.props b/eng/Publishing.props
index 172a6c0b220e58..95914a4553c327 100644
--- a/eng/Publishing.props
+++ b/eng/Publishing.props
@@ -22,6 +22,12 @@
     <_HostArtifact Include="$(ArtifactsPackagesDir)**\runtime.*.Microsoft.NETCore.ILDAsm.*.nupkg"
                     Exclude="$(ArtifactsPackagesDir)**\runtime.$(TargetRid).Microsoft.NETCore.ILDAsm.*.nupkg" />
 
+    <_HostArtifact Include="$(ArtifactsPackagesDir)**\runtime.*.Microsoft.dotnet-ilasm.*.nupkg"
+                    Exclude="$(ArtifactsPackagesDir)**\runtime.$(TargetRid).Microsoft.dotnet-ilasm.*.nupkg" />
+
+    <_HostArtifact Include="$(ArtifactsPackagesDir)**\runtime.*.Microsoft.dotnet-ildasm.*.nupkg"
+                    Exclude="$(ArtifactsPackagesDir)**\runtime.$(TargetRid).Microsoft.dotnet-ildasm.*.nupkg" />
+
     <_HostArtifact Include="$(ArtifactsPackagesDir)**\runtime.*.Microsoft.DotNet.ILCompiler.*.nupkg"
                     Exclude="$(ArtifactsPackagesDir)**\runtime.$(TargetRid).Microsoft.DotNet.ILCompiler.*.nupkg" />
 
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ilasm/DotnetToolSettings.xml b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/DotnetToolSettings.xml
new file mode 100644
index 00000000000000..93892647092a3a
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/DotnetToolSettings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<DotNetCliTool Version="2">
+  <Commands>
+    <Command Name="ilasm" EntryPoint="ilasm" Runner="executable" />
+  </Commands>
+</DotNetCliTool>
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.pkgproj b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.pkgproj
new file mode 100644
index 00000000000000..7501f1b4ebef3a
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.pkgproj
@@ -0,0 +1,85 @@
+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+
+  <PropertyGroup>
+    <PackageDescription>The .NET IL Assembler.
+
+Usage:
+  Install as a global tool:
+    dotnet tool install -g Microsoft.dotnet-ilasm
+
+  Invoke the tool:
+    ilasm [options] &lt;sourcefile&gt;
+
+  For help on ilasm command-line options:
+    ilasm -?
+</PackageDescription>
+    <!-- Configure as a dotnet tool -->
+    <PackageType>DotnetTool</PackageType>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(PackageTargetRuntime)' == ''">
+    <IsLineupPackage Condition="'$(IsLineupPackage)' == ''">true</IsLineupPackage>
+    <PackageTargetRuntime Condition="'$(_packageTargetOSGroup)' == 'windows'">$(MinOSForArch)-$(PackagePlatform)</PackageTargetRuntime>
+  </PropertyGroup>
+
+  <!-- For RID-specific tool packages, include the native binary in tools folder -->
+  <ItemGroup Condition="'$(PackageTargetRuntime)' != ''">
+    <File Include="$(RuntimeBinDir)ilasm$(ExeSuffix)" Condition="'$(PackCrossComponent)' != 'true'">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+    <File Include="$(RuntimeBinDir)$(BuildArchitecture)/ilasm$(ExeSuffix)" Condition="'$(PackCrossComponent)' == 'true'">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+    <!-- Include tool settings manifest for RID-specific packages -->
+    <File Include="$(MSBuildThisFileDirectory)DotnetToolSettings.xml">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+  </ItemGroup>
+
+  <!-- For primary (non-RID-specific) package, generate and include manifest that references RID-specific packages -->
+  <Target Name="GeneratePrimaryToolManifest" BeforeTargets="GetPackageFiles" Condition="'$(PackageTargetRuntime)' == ''">
+    <!-- Define official RID list -->
+    <ItemGroup>
+      <_OfficialRID Include="win-x64" />
+      <_OfficialRID Include="win-x86" />
+      <_OfficialRID Include="win-arm64" />
+      <_OfficialRID Include="linux-x64" />
+      <_OfficialRID Include="linux-arm" />
+      <_OfficialRID Include="linux-arm64" />
+      <_OfficialRID Include="linux-musl-x64" />
+      <_OfficialRID Include="linux-musl-arm64" />
+      <_OfficialRID Include="osx-x64" />
+      <_OfficialRID Include="osx-arm64" />
+      <!-- Add TargetRid if not already in the official list -->
+      <_OfficialRID Include="$(TargetRid)" Exclude="@(_OfficialRID)" />
+    </ItemGroup>
+    
+    <PropertyGroup>
+      <_GeneratedManifestPath>$(IntermediateOutputPath)DotnetToolSettings.xml</_GeneratedManifestPath>
+      <_RidPackagesXml>@(_OfficialRID->'    &lt;RuntimeIdentifierPackage RuntimeIdentifier=&quot;%(Identity)&quot; Id=&quot;runtime.%(Identity).Microsoft.dotnet-ilasm&quot; Version=&quot;$(PackageVersion)&quot; /&gt;', '%0a')</_RidPackagesXml>
+      <_ManifestContent>
+<![CDATA[<?xml version="1.0" encoding="utf-8"?>
+<DotNetCliTool Version="2">
+  <Commands>
+    <Command Name="ilasm" />
+  </Commands>
+  <RuntimeIdentifierPackages>
+]]>$(_RidPackagesXml)<![CDATA[
+  </RuntimeIdentifierPackages>
+</DotNetCliTool>]]>
+      </_ManifestContent>
+    </PropertyGroup>
+    
+    <MakeDir Directories="$(IntermediateOutputPath)" />
+    <WriteLinesToFile File="$(_GeneratedManifestPath)" Lines="$(_ManifestContent)" Overwrite="true" />
+    
+    <ItemGroup>
+      <File Include="$(_GeneratedManifestPath)">
+        <TargetPath>tools/$(NetCoreAppToolCurrent)/any/DotnetToolSettings.xml</TargetPath>
+      </File>
+    </ItemGroup>
+  </Target>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
+</Project>
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.proj b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.proj
new file mode 100644
index 00000000000000..476a3bfd94c567
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ilasm/Microsoft.dotnet-ilasm.proj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.Build.Traversal">
+  <PropertyGroup>
+    <IsILToolPackage>true</IsILToolPackage>
+  </PropertyGroup>
+  <ItemGroup>
+    <!-- identity project, runtime specific projects are included by props above -->
+    <Project Include="$(MSBuildProjectName).pkgproj" />
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(builds.targets))" />
+</Project>
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ildasm/DotnetToolSettings.xml b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/DotnetToolSettings.xml
new file mode 100644
index 00000000000000..351589b8f65ead
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/DotnetToolSettings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<DotNetCliTool Version="2">
+  <Commands>
+    <Command Name="ildasm" EntryPoint="ildasm" Runner="executable" />
+  </Commands>
+</DotNetCliTool>
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.pkgproj b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.pkgproj
new file mode 100644
index 00000000000000..9cb46b76754fd5
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.pkgproj
@@ -0,0 +1,85 @@
+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+
+  <PropertyGroup>
+    <PackageDescription>The .NET IL Disassembler.
+
+Usage:
+  Install as a global tool:
+    dotnet tool install -g Microsoft.dotnet-ildasm
+
+  Invoke the tool:
+    ildasm [options] &lt;file&gt;
+
+  For help on ildasm command-line options:
+    ildasm -?
+</PackageDescription>
+    <!-- Configure as a dotnet tool -->
+    <PackageType>DotnetTool</PackageType>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(PackageTargetRuntime)' == ''">
+    <IsLineupPackage Condition="'$(IsLineupPackage)' == ''">true</IsLineupPackage>
+    <PackageTargetRuntime Condition="'$(_packageTargetOSGroup)' == 'windows'">$(MinOSForArch)-$(PackagePlatform)</PackageTargetRuntime>
+  </PropertyGroup>
+
+  <!-- For RID-specific tool packages, include the native binary in tools folder -->
+  <ItemGroup Condition="'$(PackageTargetRuntime)' != ''">
+    <File Include="$(RuntimeBinDir)ildasm$(ExeSuffix)" Condition="'$(PackCrossComponent)' != 'true'">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+    <File Include="$(RuntimeBinDir)$(BuildArchitecture)/ildasm$(ExeSuffix)" Condition="'$(PackCrossComponent)' == 'true'">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+    <!-- Include tool settings manifest for RID-specific packages -->
+    <File Include="$(MSBuildThisFileDirectory)DotnetToolSettings.xml">
+      <TargetPath>tools/$(NetCoreAppToolCurrent)/$(PackageTargetRuntime)/</TargetPath>
+    </File>
+  </ItemGroup>
+
+  <!-- For primary (non-RID-specific) package, generate and include manifest that references RID-specific packages -->
+  <Target Name="GeneratePrimaryToolManifest" BeforeTargets="GetPackageFiles" Condition="'$(PackageTargetRuntime)' == ''">
+    <!-- Define official RID list -->
+    <ItemGroup>
+      <_OfficialRID Include="win-x64" />
+      <_OfficialRID Include="win-x86" />
+      <_OfficialRID Include="win-arm64" />
+      <_OfficialRID Include="linux-x64" />
+      <_OfficialRID Include="linux-arm" />
+      <_OfficialRID Include="linux-arm64" />
+      <_OfficialRID Include="linux-musl-x64" />
+      <_OfficialRID Include="linux-musl-arm64" />
+      <_OfficialRID Include="osx-x64" />
+      <_OfficialRID Include="osx-arm64" />
+      <!-- Add TargetRid if not already in the official list -->
+      <_OfficialRID Include="$(TargetRid)" Exclude="@(_OfficialRID)" />
+    </ItemGroup>
+    
+    <PropertyGroup>
+      <_GeneratedManifestPath>$(IntermediateOutputPath)DotnetToolSettings.xml</_GeneratedManifestPath>
+      <_RidPackagesXml>@(_OfficialRID->'    &lt;RuntimeIdentifierPackage RuntimeIdentifier=&quot;%(Identity)&quot; Id=&quot;runtime.%(Identity).Microsoft.dotnet-ildasm&quot; Version=&quot;$(PackageVersion)&quot; /&gt;', '%0a')</_RidPackagesXml>
+      <_ManifestContent>
+<![CDATA[<?xml version="1.0" encoding="utf-8"?>
+<DotNetCliTool Version="2">
+  <Commands>
+    <Command Name="ildasm" />
+  </Commands>
+  <RuntimeIdentifierPackages>
+]]>$(_RidPackagesXml)<![CDATA[
+  </RuntimeIdentifierPackages>
+</DotNetCliTool>]]>
+      </_ManifestContent>
+    </PropertyGroup>
+    
+    <MakeDir Directories="$(IntermediateOutputPath)" />
+    <WriteLinesToFile File="$(_GeneratedManifestPath)" Lines="$(_ManifestContent)" Overwrite="true" />
+    
+    <ItemGroup>
+      <File Include="$(_GeneratedManifestPath)">
+        <TargetPath>tools/$(NetCoreAppToolCurrent)/any/DotnetToolSettings.xml</TargetPath>
+      </File>
+    </ItemGroup>
+  </Target>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
+</Project>
diff --git a/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.proj b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.proj
new file mode 100644
index 00000000000000..476a3bfd94c567
--- /dev/null
+++ b/src/coreclr/.nuget/Microsoft.dotnet-ildasm/Microsoft.dotnet-ildasm.proj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.Build.Traversal">
+  <PropertyGroup>
+    <IsILToolPackage>true</IsILToolPackage>
+  </PropertyGroup>
+  <ItemGroup>
+    <!-- identity project, runtime specific projects are included by props above -->
+    <Project Include="$(MSBuildProjectName).pkgproj" />
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(builds.targets))" />
+</Project>
diff --git a/src/coreclr/.nuget/coreclr-packages.proj b/src/coreclr/.nuget/coreclr-packages.proj
index 609e6884946c88..aab8863dfda14f 100644
--- a/src/coreclr/.nuget/coreclr-packages.proj
+++ b/src/coreclr/.nuget/coreclr-packages.proj
@@ -10,6 +10,8 @@
   <ItemGroup Condition=" '$(TargetsMobile)' != 'true' ">
     <ProjectReference Include="Microsoft.NETCore.ILAsm\Microsoft.NETCore.ILAsm.proj" />
     <ProjectReference Include="Microsoft.NETCore.ILDAsm\Microsoft.NETCore.ILDAsm.proj" />
+    <ProjectReference Include="Microsoft.dotnet-ilasm\Microsoft.dotnet-ilasm.proj" />
+    <ProjectReference Include="Microsoft.dotnet-ildasm\Microsoft.dotnet-ildasm.proj" />
   </ItemGroup>
 
   <Import Project="versioning.targets" />