diff --git a/src/Templates/src/templates/maui-blazor/MauiApp.1.csproj b/src/Templates/src/templates/maui-blazor/MauiApp.1.csproj
index 52c193b565ab..6f68566b69e1 100644
--- a/src/Templates/src/templates/maui-blazor/MauiApp.1.csproj
+++ b/src/Templates/src/templates/maui-blazor/MauiApp.1.csproj
@@ -5,6 +5,14 @@
         <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);DOTNET_TFM-windows10.0.19041.0</TargetFrameworks>
         <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
         <!-- <TargetFrameworks>$(TargetFrameworks);DOTNET_TFM-tizen</TargetFrameworks> -->
+
+         <!-- Note for MacCatalyst:
+            The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+            When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifer>.
+            The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+            either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+         <!-- ex. <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
         <OutputType>Exe</OutputType>
         <RootNamespace>MauiApp._1</RootNamespace>
         <UseMaui>true</UseMaui>
@@ -52,4 +60,14 @@
         <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="MS_EXT_VERSION" />
     </ItemGroup>
 
+  <!-- Build Properties must be defined within these property groups to ensure successful publishing
+       to the Mac App Store. See: https://aka.ms/maui-publish-app-store#define-build-properties-in-your-project-file -->
+  <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Debug'">
+    <CodesignEntitlements>Platforms/MacCatalyst/Entitlements.Debug.plist</CodesignEntitlements>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Release'">
+    <CodesignEntitlements>Platforms/MacCatalyst/Entitlements.Release.plist</CodesignEntitlements>
+    <UseHardenedRuntime>true</UseHardenedRuntime>
+  </PropertyGroup>
 </Project>
diff --git a/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Debug.plist b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Debug.plist
new file mode 100644
index 000000000000..cc0208055252
--- /dev/null
+++ b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Debug.plist
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <!-- Enable this value to use browser developer tools while debugging.-->
+        <!-- See https://aka.ms/blazor-hybrid-developer-tools -->
+        <key>com.apple.security.get-task-allow</key>
+        <true/>
+    </dict>
+</plist>
diff --git a/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Release.plist b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Release.plist
new file mode 100644
index 000000000000..1db1d9371a28
--- /dev/null
+++ b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Entitlements.Release.plist
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <!-- See https://aka.ms/maui-publish-app-store#add-entitlements for more information about adding entitlements.-->
+    <dict>
+        <key>com.apple.security.app-sandbox</key>
+        <true/>
+        <key>com.apple.security.network.client</key>
+        <true/>
+    </dict>
+</plist>
+
diff --git a/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Info.plist b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Info.plist
index 78e923aa2a05..7b1e6e6219c9 100644
--- a/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Info.plist
+++ b/src/Templates/src/templates/maui-blazor/Platforms/MacCatalyst/Info.plist
@@ -2,6 +2,15 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+    <!-- The Mac App Store requires you specify if the app uses encryption. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/itsappusesnonexemptencryption -->
+    <!-- <key>ITSAppUsesNonExemptEncryption</key> -->
+    <!-- Please indicate <true/> or <false/> here. -->
+
+    <!-- Specify the category for your app here. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/lsapplicationcategorytype -->
+    <!-- <key>LSApplicationCategoryType</key> -->
+    <!-- <string>public.app-category.YOUR-CATEGORY-HERE</string> -->
     <key>UIDeviceFamily</key>
     <array>
         <integer>2</integer>
diff --git a/src/Templates/src/templates/maui-mobile/MauiApp.1.csproj b/src/Templates/src/templates/maui-mobile/MauiApp.1.csproj
index 052e2f46f019..af76ba0f3223 100644
--- a/src/Templates/src/templates/maui-mobile/MauiApp.1.csproj
+++ b/src/Templates/src/templates/maui-mobile/MauiApp.1.csproj
@@ -5,6 +5,14 @@
 		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);DOTNET_TFM-windows10.0.19041.0</TargetFrameworks>
 		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
 		<!-- <TargetFrameworks>$(TargetFrameworks);DOTNET_TFM-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifer>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- ex. <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
 		<OutputType>Exe</OutputType>
 		<RootNamespace>MauiApp._1</RootNamespace>
 		<UseMaui>true</UseMaui>
@@ -51,4 +59,14 @@
 		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="MS_EXT_VERSION" />
 	</ItemGroup>
 
+	<!-- Build Properties must be defined within these property groups to ensure successful publishing
+       to the Mac App Store. See: https://aka.ms/maui-publish-app-store#define-build-properties-in-your-project-file -->
+  <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Debug'">
+    <CodesignEntitlements>Platforms/MacCatalyst/Entitlements.Debug.plist</CodesignEntitlements>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="$(TargetFramework.Contains('-maccatalyst')) and '$(Configuration)' == 'Release'">
+    <CodesignEntitlements>Platforms/MacCatalyst/Entitlements.Release.plist</CodesignEntitlements>
+    <UseHardenedRuntime>true</UseHardenedRuntime>
+  </PropertyGroup>
 </Project>
diff --git a/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Debug.plist b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Debug.plist
new file mode 100644
index 000000000000..1659c8426552
--- /dev/null
+++ b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Debug.plist
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <!-- Enable this value to use browser developer tools while debugging.-->
+        <!-- See https://aka.ms/blazor-hybrid-developer-tools -->
+        <key>com.apple.security.get-task-allow</key>
+        <true/>
+    </dict>
+</plist>
+
diff --git a/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Release.plist b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Release.plist
new file mode 100644
index 000000000000..1db1d9371a28
--- /dev/null
+++ b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Entitlements.Release.plist
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <!-- See https://aka.ms/maui-publish-app-store#add-entitlements for more information about adding entitlements.-->
+    <dict>
+        <key>com.apple.security.app-sandbox</key>
+        <true/>
+        <key>com.apple.security.network.client</key>
+        <true/>
+    </dict>
+</plist>
+
diff --git a/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Info.plist b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Info.plist
index 79a863bb8261..72689771518a 100644
--- a/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Info.plist
+++ b/src/Templates/src/templates/maui-mobile/Platforms/MacCatalyst/Info.plist
@@ -2,6 +2,15 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+    <!-- The Mac App Store requires you specify if the app uses encryption. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/itsappusesnonexemptencryption -->
+    <!-- <key>ITSAppUsesNonExemptEncryption</key> -->
+    <!-- Please indicate <true/> or <false/> here. -->
+
+    <!-- Specify the category for your app here. -->
+    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/lsapplicationcategorytype -->
+    <!-- <key>LSApplicationCategoryType</key> -->
+    <!-- <string>public.app-category.YOUR-CATEGORY-HERE</string> -->
 	<key>UIDeviceFamily</key>
 	<array>
 		<integer>2</integer>