| ockultism | occultism |
| ockupant | squatter |
| ockupanterna | occupants |
| ockupation | occupation |
| ockupera | occupy |
| ockupera ett hus som står tomt | squat in |
| ockuperad | squat |
| ockuperade | occupied |
| ockuperat hus | squat |
| OCLC | OCLC |
| Oconee County | Oconee County |
| Octave Mirbeau | Octave Mirbeau |
| Octavia | Octavia |
| Octavia Thurina Minor | Octavia Minor |
| Octavio Paz | Octavio Paz |
| Octopussy | Octopussy |
| Od | Óðr |
| Oda Nobunaga | Oda Nobunaga |
| Odaiba | Odaiba |
| odalman | yeoman |
| odalmän | yelomanry |
| odaterad | undated |
| ODBC | Open Database Connectivity |
| Odd Fellows | Independent Order of Odd Fellows |
| Odd Grenland BK | Odd Grenland BK |
| Odd Hassel | Odd Hassel |
| Odda kommun | Odda |
| Odder kommune | Odder municipality |
| Oddfellows | Oddfellows |
| ode | ode |
| odechiffrerbar | indecipherable |
| Oded Fehr | Oded Fehr |
| odefinierad | undefined |
| odefinierat juridiskt begrepp | indefinite legal concept |
| odefinierbar | indefinable |
| Odeion | Odeon Records |
| odelad | complete |
| odelbar | indivisible |
| Oden | Odin |
| Odens hundar | Wild Hunt |
| Odens jakt | Wild Hunt |
| Odense | Odense |
| Odense BK | Odense Boldklub |
| Odense kommun | Odense Municipality |
| Odensholm | Osmussaar |
| Odenwald | Odenwald |
| Odeon | Odeon Records |
| Oder | Oder River |
| Oder-Neisse-linjen | Oder-Neisse line |
| Odessa | Odessa |
| Odette Hallowes | Odette Sansom |
| Odilo Globocnik | Odilo Globocnik |
| Odilon Redon | Odilon Redon |
| Odinstornet | Odinstårnet |
| Odintsovo | Odintsovo |
| odiskutabel | absolute |
