U28 may refer to:
Naval vessels
edit- German submarine U-28, various vessels
- HMS Wren (U28), a sloop of the Royal Navy
- SM U-28 (Austria-Hungary), a submarine of the Austro-Hungarian Navy
Other uses
edit- Pilatus U-28A Draco, an American utility aircraft
- Small nucleolar RNA SNORD28
- Truncated icosidodecahedron
- U 28, a regional railway route in Saxony