| Otok | |
| Settlement Type: | Municipality |
| Pushpin Map: | Croatia |
| Pushpin Map Caption: | Location of Otok in Croatia |
| Coordinates: | 43.69°N 16.79°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | Historical region |
| Subdivision Name1: | Dalmatian Hinterland |
| Subdivision Type2: | County |
| Area Footnotes: | [1] |
| Area Total Km2: | 94.7 |
| Area Urban Km2: | 12.9 |
| Population As Of: | 2021 |
| Population Total: | 4998 |
| Population Density Km2: | auto |
| Population Urban: | 2807 |
| Population Density Urban Km2: | auto |
Otok is a municipality and a village in inland Dalmatia, Croatia, located east of Sinj, approximately 7 kilometers away. Otok is bordered by the river Cetina and mountain Kamešnica.
The total population of Otok municipality is 5,474, in the following settlements: