Landhoo (Dhivehi: ލަންދޫ) is one of the inhabited islands of Southern Miladhunmadulhu Atoll, administrative code Noonu Atoll.

This island has large ruins from the historical Maldivian Buddhist era.

On the northwest side of the island there is an ancient mound known as "Maabadhige Haitha" by the local people.

The remains in this island are probably the single most important Buddhist ruins in the Northern region of the Maldives.

The island is 188.45 km (117 mi; 102 nmi) north of the country's capital, Malé.