Junichi Suwabe (諏訪部順一, Suwabe Jun'ichi, born March 29, 1972) is a Japanese voice actor from Tokyo. He is affiliated with Haikyō. His popular roles include Grimmjow Jaegerjaquez in Bleach, Omega Zero in Megaman Zero 3, Keigo Atobe in The Prince of Tennis, Victor Nikiforov in Yuri!!! on ICE, Freed Justine in Fairy Tail, Yami Sukehiro in Black Clover, Sentinel Prime in Transformers: Animated, Ryomen Sukuna in Jujutsu Kaisen, Archer in Fate/stay night, Ren Jinguji in Uta no Prince-sama, Undertaker in Black Butler, Leone Abbacchio in JoJo's Bizarre Adventure: Golden Wind, Daiki Aomine in Kuroko's Basketball, Jurota Shishida and Shōta Aizawa in My Hero Academia, Dandy in Space Dandy, Bercouli Synthesis One in Sword Art Online, Akira Hayama in Food Wars! Shokugeki no Soma, Dark Choco Cookie in Cookie Run: Kingdom, Shoei Barou in Blue Lock, Oda Sakunosuke in Bungo Stray Dogs and Ryoh Grantz in Mashle: Magic and Muscles .

He was nominated for a Best Singing Award at the 6th Seiyu Awards, and received a Best Supporting Actor award at the 7th Seiyu Awards. He has also provided dubbing for Korean actor Gong Yoo.

He is in a group called PHERO☆MEN (フェロ☆メン) with fellow voice actor Kohsuke Toriumi.