FDO
FDO may refer to:
Organizations[edit]
- Federación Deportiva Obrera, the Workers Sport Federation, a defunct Argentine sporting organization
- freedesktop.org, a free software project
- Family Dollar, an American variety store chain
- FAIR Digital Object, a data management framework
Other uses[edit]
- Feedback-directed optimization, a compiler optimization
- Flight Dynamics Officer
See also[edit]
- San Fernando Airport (Argentina) (IATA: -, ICAO: SADF), serving San Fernando, Argentina