U17 or U-17 may refer to:
*
German submarine ''U-17'', one of several German submarines
* Cessna U-17, military model of
Cessna 185
The Cessna 185 Skywagon is a six-seat, single-engined, general aviation light aircraft manufactured by Cessna. It first flew as a prototype in July 1960, with the first production model completed in March 1961. The Cessna 185 is a high-winge ...
*
FIFA U-17 World Cup
The FIFA U-17 World Cup, founded as the FIFA U-16 World Championship, later changed to U-17 in 1991 and to its current name in 2007, is the world championship of association football for male players under the age of 17 organized by ''Fédération ...
, football (soccer) championship for boys under 17 years
*
FIFA U-17 Women's World Cup
The FIFA U-17 Women's World Cup is an international association football tournament for female players under the age of 17. It is organized by Fédération Internationale de Football Association (FIFA). The tournament is held in even-numbered ye ...
, football (soccer) championship for girls under 17 years
* For the U17 Bandy World Championship for boys, see
Youth Bandy World Championship
* For the U17 Bandy World Championship for girls, see
Bandy World Championship G-17
*
Nonconvex great rhombicuboctahedron
In geometry, the nonconvex great rhombicuboctahedron is a nonconvex uniform polyhedron, indexed as U17. It has 26 faces (8 triangles and 18 squares), 48 edges, and 24 vertices. It is represented by the Schläfli symbol rr and Coxeter-Dynkin di ...
* A comic website in China, 'U17' has the similar pronunciation with the Chinese words 'With the scent of mythical creatures'.
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