| one | en |
| one after the other | i följd |
| one and a half | en och en halv |
| one and only | enda |
| one and the other | båda |
| one another | varandra |
| One Child | Döden går ombord |
| one day | någon gång |
| One Day in September | En dag i september |
| One Day in the Life of Ivan Denisovich | En dag i Ivan Denisovitjs liv |
| One Day in Your Life | One Day in Your Life |
| One Hundred Years of Solitude | Hundra år av ensamhet |
| One hundreth of a leu | Pengar |
| one more | en till |
| one or the other | vilken som helst |
| One Piece | One Piece |
| One Step Beyond | One Step Beyond |
| One Thousand and One Nights | Tusen och en natt |
| one time | en gång |
| One Tree Hill | One Tree Hill |
| One True Thing | Motljus |
| one's matriculation | studenten |
| one-arm bandit | spelautomat |
| one-armed | enarmad |
| one-armed bandit | spelautomat |
| One-child policy | Ettbarnspolitik |
| One-Design | Entypsbåt |
| one-eyed | enögd |
| One-floor | Envånings- |
| One-liner joke | Oneliner |
| one-night stand | engångsligg |
| one-page | ensidiga |
| one-piece | hel |
| one-room apartment | enrumslägenhet |
| one-sided | partisk |
| One-story | Envånings- |
| one-time | engångs- |
| one-way | enkel |
| One-way valve | Backventil |
| One-week | Enveckors |
| one`s more | om igen |
| Onega | Onega |
| Onega River | Onega |
| Oneida County | Oneida County |
| Onela | Ale den uppländske |
| onerous | besvärlig |
| ones | ena |
| oneself | sig själv |
| Onesilus | Onesilos |
| Onesimus | Onesimos |
| onetime | tidigare |
| OneTouch Premier League | FA Premier League |
| Oneworld | Oneworld |
| Onex | Onex |
| ongoing | fortsatt |
| Oni | Oni |
| onion | lök |
| Onion ring | Lökringar |
| Onion routing | Onion routing |
| Onkel Toms Hütte | Onkel Toms Hütte |
