| ovedersäglig | undeniably |
| Over the Hedge | Over the Hedge |
| Over the Hills and Far Away | Over the Hills and Far Away |
| overall | overalls |
| Overhalla kommun | Overhalla |
| overklig | unreal |
| overklighet | make-believe |
| overksam | torpid |
| overksamhet | inactivity |
| Overijssel | Overijssel |
| ovetande | unconscious |
| ovetandes | unwittingly |
| ovett | abuse |
| ovettig | abusive |
| Ovidius | Ovid |
| ovidkommande | extraneous |
| ovidkommande anmärkning | irrelevance |
| Oviedo | Oviedo |
| ovig | ungainly |
| oviktig | extrinsic |
| ovilja | aversion |
| ovillig | reluctant |
| ovilligt | grudgingly |
| ovillkorlig | unconditional |
| ovillkorligen | needs |
| Oviraptoider | Oviraptorosauria |
| Oviraptor | Oviraptor |
| oviss | obscure |
| ovisshet | incertitude |
| Ovovivipar | Egg |
| OVS-språk | Object Verb Subject |
| ovum | ovum |
