The Chicago Horizons was a member of the original Major Indoor Soccer League (MISL) for only the 1980–81 season. It was the first of two franchises that represented Chicago in the circuit's history. It was the first professional sports team that played its home matches at the Rosemont Horizon, which also inspired the club's nickname. The team colors were orange, yellow, black and red. The head coach was Luis Dabo.
The Horizons, with a 20–20 record, finished tied for third place with the Buffalo Stallions in the Central Division and qualified for the playoffs. After a 4–3 victory in Game One of a First Round best-of-three series with the Wichita Wings, the Horizons lost the last two contests 6–4 and 8–6 and were eliminated from the postseason. Enzo Di Pede won the 'Goalkeeper of the Year' award.
All Horizons games home and away were broadcast on radio with Les Grobstein handling Play by Play and Sam Donnelly the Color.
Even though the Horizons suspended operations following the campaign, the league still wanted to revive the franchise. That all ended when Lee Stern, owner of the North American Soccer League's Chicago Sting which played both indoors and outdoors at the time, paid the MISL to discontinue those plans and effectively eliminated the competition in the Chicago market.Stern was bitter about the Horizons, blaming them for costing his Sting lots of money.
- Gary Allison 25 Games 0 goals
- Leslaw Cmikiewicz
- Enzo Di Pede 16 Games 0 goals
- Don Droege
- Horst Fleps
- George Gorleku
- Clive Griffiths
- Herve Guilliod
- Kevin Handlan
- Paul Kitson
- Peter Knezic
- Juan Carlos Michia
- Damien Ogunsiyi
- Ben Popoola
- Craig Reynolds
- Neal Rickmers
- Gino Schiraldi
- Antonio Simoes
- Chicago Horizons (jerseys) – nasljerseys.com.
- Leptich, John. "New Chicago Team Has Some Old Faces," Chicago Tribune, Sunday, November 10, 1985.
- MISL Yearly Award Winners – OurSportsCentral.com.
- Litterer, Dave. 1980–81 Major Indoor Soccer League (MISL) season, OurSportsCentral.com.
- Herve Guilliod (biography) – Dallas Sidekicks Players.
- Peter Knezic (biography) – FC Milwaukee Nationals.
- Juan Carlos Michia (statistics) – nasljerseys.com.
- Craig Reynolds (biography) – Chicago Fire Juniors.