Autry DeWalt Mixon Jr. (June 14, 1931 – November 23, 1995), known professionally as Junior Walker, was an American multi-instrumentalist (primarily saxophonist and vocalist) who recorded for Motownduring the 1960s. He also performed as a session and live-performing saxophonist with the band Foreigner during the 1980s.

Walker was born Autry DeWalt Mixon Jr. on June 14, 1931, in Blytheville, Arkansas, but grew up in South Bend, Indiana. He began playing saxophone while in high school, and his saxophone style was the anchor for the sound of the bands he later played in.

His career started when he developed his own band in the mid-1950s as the Jumping Jacks. His longtime friend and drummer Billy Nicks (1935–2017) formed his own group, the Rhythm Rockers. Periodically, Nicks would sit in on Jumping Jack’s shows, and Walker would sit in on the Rhythm Rockers shows.

Nicks obtained a permanent gig at a local TV station in South Bend, Indiana, and asked Walker to join him and keyboard player Fred Patton permanently. Nicks asked Willie Woods (1936–1997), a local singer, to perform with the group; Woods would learn how to play guitar. When Nicks was drafted into the United States Army, Walker convinced the band to move from South Bend to Battle Creek, Michigan. While performing in Benton Harbor, Walker found a drummer, Tony Washington, to replace Nicks. Eventually, Fred Patton left the group, and Victor Thomas stepped in. The original name, The Rhythm Rockers, was changed to “The All Stars.” Walker’s style was inspired by jump blues and early R&B, particularly players like Louis Jordan, Earl Bostic, and Illinois Jacquet.