Rasdhoo () is an inhabited island of the Maldives. It is also the capital of the Alif Alif Atoll administrative division.
The island is west of the country's capital, Malé. It is the only inhabited island of a small natural atoll known as Rasdhoo, Rasdu or Ross Atoll located a few miles off NE Ari Atoll.
As of September 2016, Rasdhoo has sixteen guesthouses.
A thrice-a-week ferry service or daily speedboats operate between Malé and Rasdhoo.