The 1990 All-Big Ten Conference football team consists of American football players chosen as All-Big Ten Conference players for the 1990 NCAA Division I-A football season.

Offensive selections

Quarterbacks

• Matt Rodgers, Iowa (AP-1; Coaches-1)
• Greg Frey, Ohio State (AP-2; Coaches-2)

Running backs

• Jon Vaughn, Michigan (AP-1; Coaches-1)
• Nick Bell, Iowa (AP-2; Coaches-1)
• Tico Duckett, Michigan State (AP-1; Coaches-2)
• Howard Griffith, Illinois (AP-2; Coaches-2)

Receivers

• Richard Buchanan, Northwestern (Coaches-1)
• Jeff Graham, Ohio State (Coaches-1)
• Desmond Howard, Michigan (AP-1; Coaches-2)
• Shawn Wax, Illinois (AP-1; Coaches-2)

Tight ends

• Mike Titley, Iowa (AP-1; Coaches-2)
• Duane Young, Michigan State (AP-2; Coaches-1)

Centers

• Dan Beatty, Ohio State (Coaches-1) Tie
• Curt Lovelace, Illinois (AP-1)
• Chris Thome, Minnesota (Coaches-1) Tie

Guards

• Dean Dingman, Michigan (AP-1; Coaches-1)
• Eric Moten, Michigan State (AP-1; Coaches-1)
• Jason Cegialski, Purdue (Coaches-2)
• Tim Simpson, Illinois (Coaches-2)

Tackles

• Tom Dohring, Michigan (Coaches-1)
• Greg Skrepenak, Michigan (AP-1; Coaches-1)
• Rob Baxley, Iowa (Coaches-2)
• James Johnson, Michigan State (AP-1; Coaches-2)

Defensive selections

Linemen

• Mel Agee, Illinois (AP-1; Coaches-1)
• Don Davey, Wisconsin (AP-1; Coaches-1)
• Moe Gardner, Illinois (AP-1; Coaches-1)
• Jim Johnson, Iowa (AP-1; Coaches-1)
• Matt Ruhland, Iowa (AP-1; Coaches-2)
• Carlos Jenkins, Michigan State (Coaches-1)
• Dixon Edwards, Michigan State (Coaches-2)
• Alonzo Spellman, Ohio State (Coaches-2)
• Mike Sunvold, Minnesota (Coaches-2)
• Bobby Wilson, Michigan State (Coaches-2)
• Jeff Zgonina, Purdue (Coaches-2)

Linebackers

• Darrick Brownlow, Illinois (AP-1; Coaches-1)
• Melvin Foster, Iowa (AP-1; Coaches-1)
• Steve Tovar, Ohio State (Coaches-1)
• Erick Anderson, Michigan (AP-1; Coaches-2)
• John Derby, Iowa (Coaches-2)
• Mark Hagen, Indiana (Coaches-2)

Defensive backs

• Mike Dumas, Indiana (AP-1; Coaches-1)
• Merton Hanks, Iowa (AP-1; Coaches-1)
• Tripp Welborne, Michigan (AP-1; Coaches-1)
• Vinnie Clark, Ohio State (Coaches-2)
• Steve Jackson, Purdue (Coaches-2)
• Henry Jones, Illinois (Coaches-2)
• Marlon Primous, Illinois (Coaches-2)

Special teams

Kickers

• J. D. Carlson, Michigan (AP-1)
• John Langeloh, Michigan State (Coaches-1)
• Doug Higgins, Illinois (Coaches-2)

Punters

• Macky Smith, Indiana (AP-1; Coaches-1)
• Jeff Bohlman, Ohio State (Coaches-2)

Key