Genki Okawa is a Japanese actor and voice actor born on August 26, 1987, in Aichi Prefecture, Japan. He is affiliated with the talent agency amuleto. His career began in stage performance, where he gained early recognition for his role as Akaya Kirihara in the original cast of the musical The Prince of Tennis in 2006. He continued to build his career in theatre, starring in and later writing and directing stage productions, before expanding his focus to voice acting.

In anime, Okawa has built a diverse portfolio of supporting and lead roles across various series. He is known for playing Tatsuhiro Nome in the B-Project multimedia project and its anime adaptations, including B-PROJECT: Zecchō Emotion. He voices the character Gaap Goemon in the long-running fantasy comedy Welcome to Demon School, Iruma-kun. In the sports anime 2.43: Seiin High School Boys Volleyball Team, he plays the role of Kohei Tokura. His other notable anime roles include Mac McGregor in The Prince of Tennis II: U-17 World Cup, Arajin Tomoshibi in Bucchigiri?!, Qi in Nanbaka, Fudou Myouou Boy in Yo-kai Watch: Shadowside, Tsubame in Tenka Tōitsu Koi no Ran, and Wilhelt in Fluffy Paradise.

Beyond these, his voice acting career includes the role of Mizael in Yu-Gi-Oh! ZEXAL II, which was an early milestone in his anime work, and Kira Himuro in the Marginal#4 franchise. He has also contributed to video games, lending his voice to characters such as Benimaru Nikaido in The King of Fighters for Girls and Giulio in the Atelier series. His work extends to tokusatsu, where he provided the voice of Jetta in the super sentai series Mashin Sentai Kiramager.