SM UC-5 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy during World War I. The U-boat had been ordered by November 1914 and was launched on 13 June 1915. She was commissioned into the German Imperial Navy on 19 June 1915 as SM UC-5. She served in World War I under the command of Herbert Pustkuchen and Ulrich Mohrbutter.