U 19

U-19 may refer to:

• An age class in sport; see classification in sports

U 19 designates a plurality of U - boats:

• SM U 19 (1913-1918), a submarine of the German Imperial Navy
• U-19 ( Kriegsmarine ) ( 1936-1944 ), a submarine of the German Navy
• U 19 (Bundeswehr) ( 1973-1998 ), a submarine of the German Navy

• Disambiguation
• Abbreviation