Jonathan Rashleigh Knight-Rodriguez (born November 29, 1968) is an American singer. He is best known for being a member of the Grammy®-nominated boy band New Kids on the Block, along with his younger brother Jordan, as well as Donnie Wahlberg, Joey McIntyre, and Danny Wood. He is the oldest member of the band and the first to leave it in 1994 prior to their official split.

He's also known for hosting the HGTV series Farmhouse Fixer, where he shares his renovation know-how by meticulously restoring centuries-old New England farmhouses.