diff --git a/appveyor.yml b/appveyor.yml
index e529ef780223..082063ae572c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -19,12 +19,13 @@
 os: Visual Studio 2015
 
 only_commits:
-  # Skip commits not related to Python, C++ or Rust
+  # Skip commits not related to Python, C++, C#, or Rust
   files:
     - appveyor.yml
     - c_glib/
     - ci/
     - cpp/
+    - csharp/
     - format/
     - python/
     - rust/
@@ -85,6 +86,9 @@ environment:
     - JOB: "Rust"
       TARGET: x86_64-pc-windows-msvc
       USE_CLCACHE: false
+    - JOB: "C#"
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      USE_CLCACHE: false
 
   MSVC_DEFAULT_OPTIONS: ON
   APPVEYOR_SAVE_CACHE_ON_ERROR: true
diff --git a/ci/appveyor-build.bat b/ci/appveyor-build.bat
index 6e554199f08e..2d5b37aaf203 100644
--- a/ci/appveyor-build.bat
+++ b/ci/appveyor-build.bat
@@ -17,16 +17,30 @@
 
 @echo on
 
-if "%JOB%" == "Rust" (
-    call ci\rust-build-main.bat
+IF /i "%JOB%" == "C#" goto csharp
+IF /i "%JOB%" == "rust" goto rust
+
+@rem All other builds are C++ builds
+goto cpp
+
+:cpp
+git config core.symlinks true
+git reset --hard
+if "%JOB:~,5%" == "MinGW" (
+    call ci\appveyor-cpp-build-mingw.bat
+) else if "%JOB%" == "Cmake_Script_Tests" (
+    call ci\appveyor-cpp-test-cmake-script.bat
 ) else (
-    git config core.symlinks true
-    git reset --hard
-    if "%JOB:~,5%" == "MinGW" (
-        call ci\appveyor-cpp-build-mingw.bat
-    ) else if "%JOB%" == "Cmake_Script_Tests" (
-        call ci\appveyor-cpp-test-cmake-script.bat
-    ) else (
-        call ci\appveyor-cpp-build.bat
-    )
+    call ci\appveyor-cpp-build.bat
 )
+goto scriptexit
+
+:csharp
+call ci\appveyor-csharp-build.bat
+goto scriptexit
+
+:rust
+call ci\rust-build-main.bat
+goto scriptexit
+
+:scriptexit
diff --git a/ci/appveyor-csharp-build.bat b/ci/appveyor-csharp-build.bat
new file mode 100644
index 000000000000..14dc71d61ccc
--- /dev/null
+++ b/ci/appveyor-csharp-build.bat
@@ -0,0 +1,24 @@
+@rem Licensed to the Apache Software Foundation (ASF) under one
+@rem or more contributor license agreements.  See the NOTICE file
+@rem distributed with this work for additional information
+@rem regarding copyright ownership.  The ASF licenses this file
+@rem to you under the Apache License, Version 2.0 (the
+@rem "License"); you may not use this file except in compliance
+@rem with the License.  You may obtain a copy of the License at
+@rem
+@rem   http://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing,
+@rem software distributed under the License is distributed on an
+@rem "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@rem KIND, either express or implied.  See the License for the
+@rem specific language governing permissions and limitations
+@rem under the License.
+
+@rem The "main" C# build script for Windows CI
+
+pushd csharp
+
+dotnet test || exit /B
+
+popd
diff --git a/ci/appveyor-install.bat b/ci/appveyor-install.bat
index 3ab8f38f68c4..78269d0db47d 100644
--- a/ci/appveyor-install.bat
+++ b/ci/appveyor-install.bat
@@ -17,19 +17,34 @@
 
 @echo on
 
-if "%JOB%" == "Rust" (
-    curl -sSf -o rustup-init.exe https://win.rustup.rs/
-    rustup-init.exe -y --default-host %TARGET% --default-toolchain stable
-    set "PATH=%PATH%;C:\Users\Appveyor\.cargo\bin"
-    rustup install stable
-    rustup install nightly
-    rustc -Vv
-    cargo -V
-) else if "%JOB:~,5%" == "MinGW" (
-    call ci\appveyor-cpp-setup-mingw.bat
-) else (
-    set "PATH=C:\Miniconda36-x64;C:\Miniconda36-x64\Scripts;C:\Miniconda36-x64\Library\bin;%PATH%"
-    set BOOST_ROOT=C:\Libraries\boost_1_67_0
-    set BOOST_LIBRARYDIR=C:\Libraries\boost_1_67_0\lib64-msvc-14.0
-    call ci\appveyor-cpp-setup.bat
-)
+IF /i "%JOB%" == "C#" goto csharp
+IF "%JOB:~,5%" == "MinGW" goto mingw
+IF /i "%JOB%" == "rust" goto rust
+
+@rem all else are C++
+goto cpp
+
+:cpp
+set "PATH=C:\Miniconda36-x64;C:\Miniconda36-x64\Scripts;C:\Miniconda36-x64\Library\bin;%PATH%"
+set BOOST_ROOT=C:\Libraries\boost_1_67_0
+set BOOST_LIBRARYDIR=C:\Libraries\boost_1_67_0\lib64-msvc-14.0
+call ci\appveyor-cpp-setup.bat
+goto scriptexit
+
+:rust
+curl -sSf -o rustup-init.exe https://win.rustup.rs/
+rustup-init.exe -y --default-host %TARGET% --default-toolchain stable
+set "PATH=%PATH%;C:\Users\Appveyor\.cargo\bin"
+rustup install stable
+rustup install nightly
+rustc -Vv
+cargo -V
+goto scriptexit
+
+:mingw
+call ci\appveyor-cpp-setup-mingw.bat
+goto scriptexit
+
+:csharp
+
+:scriptexit