Hideki Naganuma (長沼 英樹, Naganuma Hideki, born May 16, 1972) is a Japanese music composer who primarily does work for video game soundtracks.

His style is one that primarily mixes Japanese techno, funk, soul, and hip-hop elements to create a unique and vivid sound. Naganuma is most famous for his original compositions used in the Dreamcast game Jet Set Radio (Jet Grind Radio in the USA). He also composed several songs for the Jet Set Radio's Xbox sequel, Jet Set Radio Future. In 2004 he authored most of the music for the arcade skating game Ollie King. He was nominated to receive the Golden Joystick Award for Soundtrack of the Year for his work on the 2005 release Sonic Rush for the Nintendo DS.