Lemoiz (Spanish: Lemóniz) is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain. It has a population of about 1243.

It was chosen as the site of the Lemoniz Nuclear Power Plant, but the construction was left unfinished after ecologist opposition and ETA attacks.
References
- ^ National Statistics Institute (13 December 2025). “Municipal Register of Spain of 2025”.