SM UB-32


 * UB-32 redirects here. For the Soviet rocket launcher, see S-5 rocket

SM UB-32 was a German Type UB II submarine or U-boat in the German Imperial Navy (Kaiserliche Marine) during World War I. The U-boat was ordered on 22 July 1915 and launched on 4 December 1915. She was commissioned into the German Imperial Navy on 11 April 1916 as SM UB-32.

The submarine sank 22 ships in 16 patrols. UB-32 was sunk by aerial bombing in the English Channel on 22 September 1917.