| Montojo Island | |
| Map: | Antarctica#Antarctic Peninsula |
| Map Relief: | yes |
| Location: | Antarctica |
| Coordinates: | -66.4206°N -67.2311°W |
| Archipelago: | Biscoe Islands |
| Area Ha: | 4.96 |
| Length M: | 527 |
| Width M: | 140 |
| Population: | uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Montojo Island (bg|остров Монтохо|ostrov Montojo, pronounced as /bg/) is the predominantly ice-covered rocky island 527 m long in southwest-northeast direction and 140 m wide in the southwest extremity of Biscoe Islands in Antarctica. Its surface area is 4.96 ha.
The feature is named after Frigate Capt. Javier Montojo Salazar (1965-2018), Spanish Navy, who died after falling overboard from the research ship Hespérides in South Bay, Livingston Island. The accident happened while he was a member of the scientific team of a satellite navigation project.
Montojo Island is centred at -66.4206°N -67.2311°W,[1] which is 933 m south of Belding Island, 3.82 km southwest of Kuno Point on Watkins Island, 3.26 km west of St. Brigid Island and 3.77 km east by north of Decazes Island. British mapping in 1976.