Fuiono Senio (died 17 May 1997) was a chief and environmentalist from Falealupo village on the island of Savai'i in Western Samoa.

As the loggers were about to start work, a visiting biologist offered to raise funds if logging stopped.

The loggers returned, and Senio ran in front of them and threatened them with a machete, telling them to go away.

This act became well known throughout the South Pacific, where similar problems affected many poor island communities.

[1] He was awarded the Goldman Environmental Prize in 1997, shared with Paul Alan Cox, for their contributions to the protection of rainforests of Falealupo.