| Team: | Cleveland Browns |
| Year: | 1963 |
| Record: | 10–4 |
| Playoffs: | Lost NFL Playoff Bowl (vs. Packers) 23–40 |
| Shortnavlink: | Browns seasons |
The 1963 Cleveland Browns season was the team's 14th season with the National Football League.
Hall of Fame running back Jim Brown led the league in rushing for the 6th time in seven seasons. This was the year that Brown became the NFL's all time leading rusher, surpassing Joe Perry. As a team, the 1963 Browns gained an NFL-record 5.74 yards per carry.
| Week | Date | Opponent | Result | Attendance | |
|---|---|---|---|---|---|
| 1 | August 10 | L 10–24 | 37,248 | ||
| 2 | August 17 | L 7–21 | 83,218 | ||
| 3 | August 25 | W 24–7 | 28,335 | ||
| 4 | August 31 | W 23–17 | 45,623 | ||
| 5 | September 8 | vs. Pittsburgh Steelers at Canton | L 7–16 | 18,462 |
There was a doubleheader on August 17, 1963 Giants vs Lions and Colts vs Browns.
| Week | Date | Opponent | Result | Record | Attendance | |
|---|---|---|---|---|---|---|
| 1 | September 15 | Washington Redskins | W 37–14 | 1–0 | 57,618 | |
| 2 | September 22 | at Dallas Cowboys | W 41–24 | 2–0 | 28,710 | |
| 3 | September 29 | Los Angeles Rams | W 20–6 | 3–0 | 54,713 | |
| 4 | October 5 | Pittsburgh Steelers | W 35–23 | 4–0 | 84,684 | |
| 5 | October 13 | at New York Giants | W 35–24 | 5–0 | 62,956 | |
| 6 | October 20 | Philadelphia Eagles | W 37–7 | 6–0 | 75,174 | |
| 7 | October 27 | New York Giants | L 6–33 | 6–1 | 84,213 | |
| 8 | November 3 | at Philadelphia Eagles | W 23–17 | 7–1 | 60,671 | |
| 9 | November 10 | at Pittsburgh Steelers | L 7–9 | 7–2 | 54,497 | |
| 10 | November 17 | St. Louis Cardinals | L 14–20 | 7–3 | 75,932 | |
| 11 | November 24 | Dallas Cowboys | W 27–17 | 8–3 | 55,096 | |
| 12 | December 1 | at St. Louis Cardinals | W 24–10 | 9–3 | 32,531 | |
| 13 | December 8 | at Detroit Lions | L 10–38 | 9–4 | 51,382 | |
| 14 | December 15 | at Washington Redskins | W 27–20 | 10–4 | 40,865 |