Fais island
- Number of islands: 1
- Area: 2.6 km sq
- Coordinates: 9°45′37″N 140°31′15″E
- Country: Federated States of Micronesia
- Highest elevation: 18m
- Population: 215
- Strange fact: The person who discovered Fais was Ruy López de Villalobos, a Spanish explorer in year 1543.