diff --git a/odd_even_sort/c#/odd_even_sort.cs b/odd_even_sort/c#/odd_even_sort.cs
new file mode 100644
index 00000000..15b16944
--- /dev/null
+++ b/odd_even_sort/c#/odd_even_sort.cs
@@ -0,0 +1,34 @@
+public class OddEvenSort
+{
+    private static void SortOddEven(int[] input, int n)
+    {
+        var sort = false;
+
+        while (!sort)
+        {
+            sort = true;
+            for (var i = 1; i < n - 1; i += 2)
+            {
+                if (input[i] <= input[i + 1]) continue;
+                var temp = input[i];
+                input[i] = input[i + 1];
+                input[i + 1] = temp;
+                sort = false;
+            }
+            for (var i = 0; i < n - 1; i += 2)
+            {
+                if (input[i] <= input[i + 1]) continue;
+                var temp = input[i];
+                input[i] = input[i + 1];
+                input[i + 1] = temp;
+                sort = false;
+            }
+        }
+    }
+
+    public static int[] Main(int[] input)
+    {
+        SortOddEven(input, input.Length);
+        return input;
+    }
+}
\ No newline at end of file