1966 San Francisco 49ers season Schedule Schedule

| Week | Date_ | Opponent | Result_ | Attendance |
|---|---|---|---|---|
| 1 | September 11, 1966 | Minnesota Vikings | T 20-20 | 29312 |
| 2 | Bye | Bye | Bye | Bye |
| 3 | September 25, 1966 | at Baltimore Colts | L 36-14 | 56715 |
| 4 | September 30, 1966 | at Los Angeles Rams | L 34-3 | 45642 |
| 5 | October 9, 1966 | Green Bay Packers | W 21-20 | 39290 |
| 6 | October 16, 1966 | at Atlanta Falcons | W 44-7 | 54788 |
| 7 | October 23, 1966 | Detroit Lions | W 27-24 | 36745 |
| 8 | October 30, 1966 | at Minnesota Vikings | L 28-3 | 45007 |
| 9 | November 6, 1966 | Los Angeles Rams | W 21-13 | 35372 |
| 10 | November 13, 1966 | at Chicago Bears | T 30-30 | 47079 |