Jun Seba is a Japanese hip-hop music producer who records under the name Nujabes (Noo-Jah-Bess). He is also an owner of "tribe," a record store in Shibuya, Tokyo, and runs Hyde-Out Productions, an indie record label. He has released two CDs in Japan, Metaphorical Music in 2003 and Modal Soul in 2005.

His music is known for a strong cool jazz influence, frequently using samples from artists like Miles Davis and Yusef Lateef.

In addition to Japanese artists like Shing02 and MINMI, he has collaborated with underground American hip-hop acts Cyne, Apani B-Fly, Five Deez, Substantial, Fat Jon and with British rapper Funky DL.

He has also contributed music to the soundtrack of Samurai Champloo, an anime which blends a setting in feudal Japan with modern anachronisms, especially hip-hop music.

He is also a member of the production duo "Urbanforest", an experimental collaboration with Nao Tokui (appearing on the Lady Brown 12").