U 19
U 19 , U19 or U-19 stands for:
- U19, an age group in sports; see class division in sport
- U-19, line of the Stuttgart Stadtbahn
- Stinson U-19 (A / B), versions of the Stinson L-5 (US military aircraft built from 1941, renamed to U-19 in 1962)
- U-19 (also S-51), version of the KW series (built 1939–1943) with a 203 mm howitzer M1931 (B-4) , a Soviet tank
- SM U 19 (1913–1918), submarine of the German Imperial Navy
- U 19 (Kriegsmarine) (1936–1944), submarine of the German Kriegsmarine
- U 19 (Bundeswehr) (1973–1998), submarine of the German Navy
