Rin Kusumi (久住 琳, Kusumi Rin, born June 17) is a Japanese voice actress from Gunma Prefecture who is affiliated with I'm Enterprise. Her hobbies are karaoke and cooking. Her special skill is making pudding.

In 2016, while a second-year high school student, she won the grand prize at the 5th International Voice Actor Contest Seiyu Damashii (known as Seidama). She graduated from the Nihon Narration Engi Kenkyūjo (Japan Narration Acting Institute). In 2022, she played her first leading role in a TV anime — Hiyori Uminami in Slow Loop.