Jin Kobayashi (小林 尽, Kobayashi Jin?, born May 25, 1977 in Chiba, Japan) is a Japanese manga artist.
His most famous work so far is School Rumble, which ran in Weekly Shōnen Magazine from 2002 to 2008.
He began drawing manga seriously during his college years, and won an honorable mention at the Weekly Shōnen Magazine's Rookie Award in 2001, allowing him to serialize School Rumble.
He has made some cameo appearances in the anime adaptation School Rumble, supplying the voice of Sailor F in two episodes of the first season, and being the narrator of the prehistoric segment in the first OVA, School Rumble - First Term Extra.