Unhacomo is an island in the Bissagos archipelago of Guinea-Bissau and forms a part of the Sector of Caravela. Its total area is 104 km². Nearby islands and islets includes Caravela to the northwest and Unhacomozinho and Uno to the east.
Coordinates: 11°17′44″N 16°26′41″W / 11.29556°N 16.44472°W