Alo (also known unofficially as Tu`a or the Kingdom of Futuna[2]) is one of three official chiefdoms of the French territory of Wallis and Futuna, in Oceania, in the South Pacific Ocean.

The chiefdom known as Alo encompasses the eastern two thirds of Futuna Island - 53 square kilometres (20 sq mi) out of 83 square kilometres (32 sq mi)) - and all of Alofi Island (32 square kilometres (12 sq mi) (which is virtually uninhabited).

The total area of the chiefdom is 85 square kilometres (33 sq mi).

The capital and largest village of Alo is Ono, which has about 738 residents.

The current Tu`i Agaifo or king of the Kingdom of Alo is Lino Leleivai, who has served in this position since his coronation on 29 November 2018 (after the previous king, Filipo Katoa, abdicated because of health concerns).