O20
O20 may refer to:
- O20, the Federal Aviation Administration identifier of Kingdon Airpark, California
O-20 may refer to :
- HNLMS O-20, a World War II Royal Netherlands Navy O-19 class submarine
- NNS O-20, a satellite launched on 30 October 1873 by a Scout A-1 rocket
- Otoyol 20, the beltway of Ankara : see List of highways in Turkey
- Soo Line O-20, an American Soo Line L-1 class 4-8-4 locomotive
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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