O2
O2 is an abbreviation for:
- OLT Express Regional , Polish airline (IATA code)
O 2 stands for:
- chemical formula for molecular oxygen
- a mobile phone brand, see O2 (mobile phone brand)
O-2 stands for:
- Cessna O-2, twin-engine military aircraft, see Cessna Skymaster # Military variant O-2
- Otoyol 2 , the outer city highway of Istanbul
O 2 stands for:
- a Japanese naval submarine, formerly SM U 46 of the Imperial German Navy
See also:
