| Team: | Baltimore Colts |
| Year: | 1955 |
| Record: | 5–6–1 |
| Division Place: | 4th NFL Western |
| General Manager: | Don "Red" Kellett |
| Coach: | Weeb Ewbank |
| Stadium: | Memorial Stadium |
| Playoffs: | Did not qualify |
| Shortnavlink: | Colts seasons |
The 1955 Baltimore Colts season was the third season for the team in the National Football League. The Baltimore Colts finished the National Football League's 1955 season with a record of 5 wins, 6 losses and 1 tie and finished fourth in the Western Conference.
| Week | Date | Opponent | Result | Record | Venue | Attendance | Recap | |
|---|---|---|---|---|---|---|---|---|
| 1 | September 25 | Chicago Bears | W 23–17 | 1–0 | Memorial Stadium | 36,167 | Recap | |
| 2 | Detroit Lions | W 28–13 | 2–0 | Memorial Stadium | 40,030 | Recap | ||
| 3 | at Green Bay Packers | W 24–20 | 3–0 | Milwaukee County Stadium | 40,199 | Recap | ||
| 4 | October 16 | at Chicago Bears | L 10–38 | 3–1 | Wrigley Field | 40,184 | Recap | |
| 5 | October 23 | Washington Redskins | L 13–14 | 3–2 | Memorial Stadium | 51,587 | Recap | |
| 6 | October 29 | Green Bay Packers | W 14–10 | 4–2 | Memorial Stadium | 34,411 | Recap | |
| 7 | at Detroit Lions | L 14–24 | 4–3 | Briggs Stadium | 53,874 | Recap | ||
| 8 | November 13 | at New York Giants | L 7–17 | 4–4 | Polo Grounds | 33,982 | Recap | |
| 9 | November 20 | Los Angeles Rams | T 17–17 | 4–4–1 | Memorial Stadium | 41,146 | Recap | |
| 10 | November 27 | San Francisco 49ers | W 26–14 | 5–4–1 | Memorial Stadium | 33,485 | Recap | |
| 11 | December 4 | at Los Angeles Rams | L 14–20 | 5–5–1 | Los Angeles Memorial Coliseum | 37,024 | Recap | |
| 12 | December 11 | at San Francisco 49ers | L 24–35 | 5–6–1 | Kezar Stadium | 35,371 | Recap | |
| Note: Intra-conference opponents are in bold text. | ||||||||