U47
U47 may refer to:
Naval vessels
- {{Ship|German submarine|U-47}}, various vessels
- {{HMS|Fleetwood|U47}}, a sloop of the Royal Navy
- {{Ship|SM|U-47|Austria-Hungary}}, a submarine of the Austro-Hungarian Navy
Other uses
- Great ditrigonal icosidodecahedron
- Neumann U 47, a microphone
- Small nucleolar RNA SNORD47
- U 47 – Kapitänleutnant Prien, a German war film
- Uppland Runic Inscription 47
- U47, a line of the Dortmund Stadtbahn
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