| Geography | |
|---|---|
| Location | Gulf of California |
| Coordinates | 28°49′26.12″N 112°58′49.03″W / 28.8239222°N 112.9802861°W |
| Highest elevation | 10 m (30 ft) |
| Administration | |
Mexico | |
| Baja California | |
| Demographics | |
| Population | uninhabited |
| Designated | 2 February 2006 |
| Reference no. | 1603 |

Isla Rasa is an island in the Gulf of California east of the Baja California Peninsula. The island is uninhabited and is part of the Mexicali Municipality. The 0.21 sq./mi island has three small ponds and has small shed located in the center of the island.
Isla Rasa has three species of reptiles: Phyllodactylus nocticolus (peninsular leaf-toed gecko), Sauromalus hispidus (spiny chuckwalla), and Uta stansburiana (common side-blotched lizard).
Isla Rasa is also the primary nesting site for about 95% of the world's Heermann's gulls and elegant terns.