U16 may refer to:

Naval vessels

* , various vessels * , a ''Black Swan''-class sloop of the Royal Navy * , a ''Grimsby''-class sloop of the Royal Navy * , a submarine of the Austro-Hungarian Navy

Other uses

Bugatti U-16 The Bugatti U-16 was a 16-cylinder water-cooled double-8 vertical in-line "U engine", designed by Ettore Bugatti in 1915 to 1916 and built in France in small numbers. The US Bolling Commission bought a license to build the engine in the US, and ...

, an automobile engine *

Cubitruncated cuboctahedron In geometry, the cubitruncated cuboctahedron or cuboctatruncated cuboctahedron is a nonconvex uniform polyhedron, indexed as U16. It has 20 faces (8 hexagons, 6 octagons, and 6 octagrams), 72 edges, and 48 vertices, and has a shäfli symbol of tr ...

* Small nucleolar RNA SNORD16 * Uint16_t, a 16-bit unsigned integer * Uppland Runic Inscription 16 * U16, or under-16, a type of basketball tournament by

FIBA The International Basketball Federation (FIBA ; French language, French: ) is an association of national organizations which governs the sport of basketball worldwide. FIBA defines the rules of basketball, specifies the Basketball equipment ...

{{Letter-Number Combination Disambiguation