| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Osayacu | city | Napo | Ecuador | -0.77 | -77.78 | 3431 | 447 |
| Osayna | city | Chihuahua | Mexico | 27.97 | -107.85 | 7549 | 344 |
| Osayuki-higashi | city | Fukuoka | Japan | 33.82 | 130.86 | 196 | 215666 |
| Osayukinishi | city | Fukuoka | Japan | 33.82 | 130.85 | 246 | 182925 |