German submarine U-22
U 22 is a plurality of U - boats:
- SM U 22 (1913-1918), a submarine of the German Imperial Navy
- U 22 ( kuk Marine) ( 1916-1919 ), a submarine of the Austro-Hungarian Navy
- U 22 ( Navy ) ( 1936-1940 ), a submarine of the German Navy
- U 22 (Bundeswehr) ( 1974-2008 ), a submarine of the German Navy
- Disambiguation
- Abbreviation