Yep or YEP may refer to:

• Yep (software), a document management tool for Macs
• "Yep!", a 1959 Duane Eddy song
• Yorkshire Evening Post, a newspaper in England

"Yep!" is a song written by Duane Eddy and Lee Hazlewood and performed by Eddy. The song reached #17 on the UK Singles Chart and #30 on the Billboard Hot 100 in 1959. The song appeared on his 1959 album, Especially for You.