is a Japanese voice actor affiliated with Aoni Production. He is best known for voicing Fushi in To Your Eternity and Patrick / Ricky in Shadows House.
Reiji Kawashima was born in Aichi Prefecture on November 30, 1995. He cited Final Fantasy X as the reason he decided to become a voice actor. Kawashima starred in his first lead role as Fushi in the anime series To Your Eternity. In 2022, he received the Best New Actor Award at the 16th Seiyu Awards. Kawashima was initially affiliated with the voice acting agency Air Agency, but has since moved to Aoni Production.
In February 2025, Kawashima announced that he had married a non-celebrity woman.