The 1975 Baltimore Colts season was the 23rd season for the team in the National Football League. Under first-year head coach Ted Marchibroda, the Colts finished the 1975 season with 10 wins and 4 losses, and tied for first in the AFC East division with the Miami Dolphins; Baltimore won the division tiebreaker, the first sweep of the Dolphins in their six years under head coach Don Shula.