Ryland Peter Cooder (born March 15, 1947) is an American musician, songwriter, film score composer and record producer. He is a multi-instrumentalist but is best known for his slide guitar work, his interest in roots music from the United States, and his collaborations with traditional musicians from many countries.

Cooder's solo work draws upon many genres. He has played with John Lee Hooker, Captain Beefheart, Gordon Lightfoot, Ali Farka Touré, Eric Clapton, The Rolling Stones, Van Morrison, Neil Young, Randy Newman, Linda Ronstadt, David Lindley, The Chieftains, The Doobie Brothers, and Carla Olson & the Textones (on record and film). He formed the band Little Village. He also produced the Buena Vista Social Club album (1997), which became a worldwide hit. Wim Wenders directed the documentary film of the same name (1999), which was nominated for an Academy Award in 2000.

Cooder was ranked eighth on Rolling Stone magazine's 2003 list of "The 100 Greatest Guitarists of All Time" (David Fricke's Picks). A 2010 ranking by Gibson placed him at number 32.