U31
Appearance
U31 may refer to:
Naval vessels
[edit]- Brazilian destroyer escort Bracuí (U-31)
- German submarine U-31, various vessels
- SM U-31 (Austria-Hungary), a submarine of the Austro-Hungarian Navy
Other uses
[edit]- Nissan Presage (U31), a Japanese minivan
- Small icosicosidodecahedron
- Small nucleolar RNA SNORD31