The 1975Baltimore Coltsseason was the 23rd season for the team in the National Football League. The Baltimore Colts finished the National Football League's 1975 season with a record of 10 wins and 4 losses, and finished tied for first in the AFC East division with the Miami Dolphins. However, the Colts won the division tiebreaker with Miami based on a head-to-head sweep (2–0). The Colts started the season losing four of their first five games, before sweeping their final nine games and narrowly beating out Miami for the division title.
The team made it to the playoffs as a No. 3 seed and traveled to Pittsburgh to play Pittsburgh Steelers in the divisional round. After being tied at 7 at the half the Steelers outscored the Colts 21–3 in the second half. The Steelers defense forced 4 turnovers and held the Colts to 154 total yards of offense in their 28–10 win.