U 29
U 29 denotes:
- SM U 29 , a submarine of the Imperial Navy during the First World War
- SM U 29 , a submarine of the Austro-Hungarian Navy, see SM Unterseeboote #SM U 27, U 28, U 29, U 30, U 31, U 32, U 40, U 41, U 43, U 47
- U 29 (Kriegsmarine) , a submarine of the German Wehrmacht in World War II
- U 29 (Bundeswehr) , a submarine of the German Bundeswehr