U3 (disambiguation)
U3 stands for:
- A child checkup
- Apportionment U3, the German insolvency fund levy
- Cover page 3 ( inner part behind ) when displaying bookings in print publications, see also pagination
- U3 ( standard ), a standard for USB sticks
- Avies, an airline under the IATA code
U3 refers to the following subway lines:
- Metro Line 3 (Berlin)
- Metro Line 3 (Frankfurt)
- Metro Line 3 (Hamburg)
- Metro Line 3 (Munich )
- Metro Line 3 (Nuremberg)
- Metro Line 3 (Vienna)
U 3 is the name of U- boats:
- SM U 3 (1909-1918), a submarine of the German Imperial Navy
- U 3 ( kuk Marine) ( 1909-1915 ), a submarine of the Austria -Hungarian Navy
- U 3 ( Navy ) ( 1935-1946 ), a submarine of the German Navy
- U 3 (Bundeswehr) ( 1962-1967 ), a submarine of the German Navy ( 1962-1964 Kobben as in the Norwegian Navy ), submarine class 201
U3 stands for:
- Three-phase AC
U ( 3) stands for:
- The unitary group over a three-dimensional Hilbert space in mathematics
- Disambiguation
- Abbreviation