Thinadhoo () is one of the inhabited islands of Vaavu Atoll in the Maldives.
The island is widely used for tourism and guest house business is rapidly increasing in the island.
The island is located in the Heart of the Atoll, along with the 2 other inhabited islands of Felidhoo and Keyodhoo. The island is south of the country's capital, Malé. The land area of the island is in 2018. The land area is about bigger than it was in 2007.
In 2006, the island was described as the least populated island in the country.
Thinadhoo has a pharmacy operated by STO.