| Arrowsmith Island | |
| Map: | Antarctica#Antarctic Peninsula |
| Location: | Antarctica |
| Coordinates: | -65.5078°N -65.5358°W |
| Archipelago: | Biscoe Islands |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Arrowsmith Island (bg|остров Ароусмит|otrov Arousmit, pronounced as /bg/) is a mostly ice-covered island in the Pitt group of Biscoe Islands, Antarctica. It is 2.53 km long in west-southwest to east-northeast direction and 900 m wide.
The island is named after the British cartographer Aaron Arrowsmith (1750-1823) who published a map of the south polar region in 1794.
Arrowsmith Island is located at -65.5078°N -65.5358°W, 1.43 km southeast of Pickwick Island, 500 m south of Tupman Island and 900 m northwest of Fizkin Island. British mapping in 1971.