The 1958 All-Southwest Conference football team consists of American football players chosen by various organizations for All-Southwest Conference teams for the 1958 college football season. The selectors for the 1958 season included the Associated Press (AP) and the United Press International (UPI). Players selected as first-team players by both the AP and UP are designated in bold.

• Don Meredith, SMU (AP-1; UPI-1 [QB])
• Marvin Lasater, TCU (AP-1; UPI-1 [HB])
• Jim Mooty, Arkansas (AP-1; UPI-1 [HB])
• Jack Spikes, TCU (AP-1; UPI-1 [FB])
• Charlie Milstead, Texas A&M (AP-1)
• Larry Hickman, Baylor (AP-2; UPI-2)
• Buddy Humphrey, Baylor (AP-2)
• Tirey Wilemon, SMU (AP-2)
• Pat Bailey, Rice (AP-2)
• Glynn Gregory, SMU (UPI-2)
• George Blanch, Texas (UPI-2)

• Buddy Dial, Rice (AP-1; UPI-1)
• John Tracey, Texas A&M (AP-1; UPI-1)
• Bob Bryant, Texas (AP-2; UPI-2)
• Al Witcher, Baylor (AP-2)
• Gene Jones, Rice (UPI-2)

• Don Floyd, TCU (AP-1; UPI-1)
• J. D. Smith, Rice (AP-1; UPI-1)
• Ken Beck, Texas A&M (AP-2; UPI-2)
• James Shillingburg, Texas (AP-2)
• Paul Dickson, Baylor (UPI-2)

• Charley Horton, Baylor (AP-1; UPI-1)
• Tom Koenig, SMU (AP-1; UPI-1)
• Sherrill Headrick, TCU (AP-2; UPI-2)
• Rufus King, Rice (AP-2; UPI-2)

• Dale Walker, TCU (AP-1; UPI-1)
• Arlis Parkhurst, Texas (AP-2)
• Max Christian, SMU (UPI-2)

AP = Associated Press^[1]

UPI = United Press International^[2]

Bold = Consensus first-team selection of both the AP and UP

• 1958 College Football All-America Team