U17 or U-17 may refer to:
Naval vessels
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* , various vessels
* , a submarine of the Austro-Hungarian Navy
Other uses
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Cessna U-17 Skywagon
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 ...
, an American utility aircraft
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Nonconvex great rhombicuboctahedron
In geometry, the nonconvex great rhombicuboctahedron is a nonconvex uniform polyhedron, indexed as U17. It has 26 faces (8 Triangle, triangles and 18 Square, squares), 48 edges, and 24 vertices. It is represented by the Schläfli symbol rr and C ...
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