U31

U31 may refer to:

Naval vessels

• 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

• Nissan Presage (U31), a Japanese minivan
• Small icosicosidodecahedron
• Small nucleolar RNA SNORD31

This disambiguation page lists articles associated with the title U31.
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