U19 or U-19 may refer to:
*
German submarine ''U-19'', one of several German submarines
* U-19A or U-19B, later-day model designations for the
Stinson L-5 Sentinel
The Stinson L-5 Sentinel is a World War II-era liaison aircraft used by the United States Army Air Forces, U.S. Army Ground Forces, U.S. Marine Corps and the British Royal Air Force. It was produced by the Stinson Division of the Vultee Aircr ...
aircraft
* U-19, U19, or U 19, an abbreviation of "under 19", a common designation for
sports leagues or tournaments for players age 19 or younger
** Specifically, one of several
Under-19 association football teams
** For the U19 Bandy World Championship, see
Bandy World Championship Y-19
* U-19 An experimental self-propelled gun armed with 203mm B-4 cannon based on the
KV-1 tank.
{{Letter-NumberCombDisambig