1965 Denver Broncos season Regular season Regular season

| Week | Date_ | Opponent | Result_ | Game_site | Record | Attendance |
|---|---|---|---|---|---|---|
| 8 | October 31, 1965 | at New York Jets | L 10–45 | Shea Stadium | 3–5 | 53717 |
| 9 | November 7, 1965 | San Diego Chargers | L 21–35 | Bears Stadium | 3–6 | 33073 |
| 10 | November 14, 1965 | at Houston Oilers | W 31–21 | Rice Stadium | 4–6 | 28126 |
| 11 | November 21, 1965 | Oakland Raiders | L 20–28 | Bears Stadium | 4–7 | 30369 |
| 13 | December 5, 1965 | at Oakland Raiders | L 13–24 | Frank Youell Field | 4–8 | 19023 |
| 14 | December 12, 1965 | Boston Patriots | L 20–28 | Bears Stadium | 4–9 | 27207 |
| 15 | December 19, 1965 | at Kansas City Chiefs | L 35–45 | Municipal Stadium | 4–10 | 14421 |