The 1966 season was the Chicago Bears' 47th in the National Football League.
The team failed to improve on their 9–5 record from 1965 and finished with a 5–7–2 record under head coach George Halas, earning them a fifth-place finish in the NFL Western Conference.
This was the franchise's second losing season in the past three.
Running backs Wide receivers Tight ends Defensive linemen Defensive backs Special teams at Wrigley Field in Chicago, Illinois
This article relating to a Chicago Bears season is a stub.