diff --git a/insert.c b/insert.c
new file mode 100644
index 000000000..c20fb73cd
--- /dev/null
+++ b/insert.c
@@ -0,0 +1,22 @@
+#include <math.h>
+#include <stdio.h>
+ 
+/* Function to sort an array using insertion sort*/
+void insertionSort(int arr[], int n)
+{
+    int i, key, j;
+    for (i = 1; i < n; i++) {
+        key = arr[i];
+        j = i - 1;
+ 
+        /* Move elements of arr[0..i-1], that are
+          greater than key, to one position ahead
+          of their current position */
+        while (j >= 0 && arr[j] > key) {
+            arr[j + 1] = arr[j];
+            j = j - 1;
+        }
+        arr[j + 1] = key;
+    }
+}
+