offi - oute
- office control
- office of Naval Material Command
- office of Naval Research
- office of Research and Development
- office of Science and Technology
- office of Ship Construction
- office work
- officer
- officer of the watch
- officer on duty
- officer's pantry
- officers
- officers and crew
- officers' mess
- officers' quarters
- officers' wardroom
- official log
- official trial
- offset
- offset bulb
- offset bulb flat section
- offset sheet
- offset tracking
- offshore
- offshore bank
- offshore bar
- offshore cruiser
- offshore current
- offshore direction
- offshore distance
- offshore harbor
- offshore line
- offshore loading system
- offshore nuclear plant
- offshore nuclear powerplant
- offshore platform-mounted nuclear plant
- offshore platform-mounted nuclear powerplant
- offshore shoal
- offshore survey
- offshore water