Hiroki Takahashi (高橋 広樹, Takahashi Hiroki?) (born September 7, 1974) is a Japanese seiyū born in Tokyo. He is best known for the role of Harima Kenji in School Rumble and Katsuya Jonouchi in Yu-Gi-Oh. He works at Big Shot/Interchannel. Despite having the same last name, he is of no relation to Rumiko Takahashi.