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 specialty is pudding.

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