Risa Hayamizu (Japanese: 早水リサ Hayamizu Risa) is a Japanese seiyū for the Pokémon anime.
Hayamizu was born on February 28, 1975, in Osaka, Japan, and became a seiyū as an adult. She started her work on the Pokémon anime in the Advanced Generation series. In the Diamond & Pearl series, she provided the voice of both Zoey and Rhonda. Hayamizu is currently affiliated with the talent agency Arts Vision.