OCO
OCO stands for:
- Orbiting Carbon Observatory
- Oort cloud object , object in the Oort cloud
O = C = O stands for:
- Carbon dioxide (structural formula)
Oco stands for:
- Oco (Navarra) , municipality in Navarre, Spain, see list of municipalities in Navarre
oco stands for:
- Old Cornish language (ISO-639-3 code), Cornish language level from 900 to 1200
