| ofattbar | elusive |
| ofattlig | inconceivable |
| OFC | Oceania Football Confederation |
| OFC Champions League | OFC Champions League |
| OFC League | O League |
| OFDM | Orthogonal frequency-division multiplexing |
| ofelbar | foolproof |
| ofelbarhet | infallibility |
| Ofelbarhetsdogmen | Papal infallibility |
| off-white | off-white |
| Offaly | County Offaly |
| Offenbach | Offenbach |
| Offenbach am Main | Offenbach am Main |
| Offenburg | Offenburg |
| offensiv | offensive |
| offentlig | public |
| offentlig byggnad | public building |
| offentlig diskussion | public discussion |
| offentlig finansiering | public financing |
| offentlig folkrätt | public international law |
| offentlig hearing | public hearing |
| offentlig information | public information |
| offentlig institution | public institution |
| offentlig institution av administrativt slag | public institution of administrative nature |
| offentlig institution av industriellt och kommersiellt slag | public institution of industrial and commercial nature |
| offentlig medvetenhetskampanj | public awareness campaign |
| offentlig park | public park |
| offentlig rätt | public law |
| offentlig sektor | public sector |
| offentlig skandal | opprobrium |
| offentlig tjänst | public service |
| offentlig undersökning | public inquiry |
| offentlig upphandling | public procurement |
| offentlig upptagning av lån | public debt |
| offentlig ägendom | public domain |
| offentlig åtgärd | public action |
| offentliga arbeten | public works |
| offentliga finanser | public finance |
| offentliga sektorn | public sector |
| offentliga utgifter | public expenditure |
