SM UB-107 was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 16 February 1918 as SM UB-107. The submarine conducted 4 patrols and sank 11 ships during the war UB-107 was sunk on 27 July 1918 by HMS Vanessa and HMS Calvia at .