diff --git a/csharp/58-Length-of-Last-Word.cs b/csharp/58-Length-of-Last-Word.cs
new file mode 100644
index 000000000..2db7808e3
--- /dev/null
+++ b/csharp/58-Length-of-Last-Word.cs
@@ -0,0 +1,8 @@
+public class Solution {
+    public int LengthOfLastWord(string s) {
+        s = s.TrimEnd();
+        string[] arr = s.Split(' ');
+        return arr[arr.Length - 1].Length;
+    }
+}
+