| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ölfusvatn | city | Sudhurland | Iceland | 64.12 | -21.13 | 370 | 0 |
| Ölvaðsholt | city | Sudhurland | Iceland | 63.96 | -20.77 | 124 | 29 |
| Ölvisholt | city | Sudhurland | Iceland | 63.89 | -20.37 | 196 | 93 |
| Öndverdhanes | city | Sudhurland | Iceland | 64.01 | -20.92 | 121 | 8 |
| Öndverðarnes | city | Sudhurland | Iceland | 64.01 | -20.92 | 121 | 8 |
| Önundarholt | city | Sudhurland | Iceland | 63.90 | -20.82 | 95 | 204 |