| Olutanga | |
| Map: | Philippines--> |
| Map Relief: | yes |
| Coordinates: | 7.3667°N 122.8817°W |
| Waterbody: | Moro Gulf |
| Area Km2: | 194.1 |
| Length Km: | 20 |
| Width Km: | 15 |
| Coastline Km: | 89.8 |
| Country: | Philippines |
| Country Admin Divisions Title: | Region |
| Country Admin Divisions Title 1: | Province |
| Country Admin Divisions 1: | Zamboanga Sibugay |
| Country Admin Divisions Title 2: | Municipalities |
| Population: | 103,701 |
| Population As Of: | 2020 |
| Density Km2: | 534.3 |
Olutanga is a Philippine island in the Moro Gulf, part of Zamboanga Sibugay Province. It is separated from the Zamboanga Peninsula by a narrow channel and Tantanang Bay.
Olutanga, with an area of, is the largest island in the Moro Gulf and the 34th largest island of the Philippines. It has a shoreline length of .[1]
The island is subdivided into 3 municipalities (Mabuhay, Talusan, and the namesake Olutanga), and has a total population of 103,701 people.[2]