| Club: | Hawthorn Football Club |
| Season: | 1991 |
| President: | Trevor Coote |
| Coach: | Alan Joyce |
| Captain: | Michael Tuck |
| Home Ground: | Princes Park Waverley Park |
| Regularseason Comp: | AFL season |
| Regularseason Result: | 16–6 (2nd) |
| Finals Series: | Finals series |
| Finals Result: | Premiers (Defeated 139–86) |
| Club B&Amp;F: | Best and Fairest |
| Best And Fairest: | Ben Allan |
| Leading Goalscorer: | Jason Dunstall (82) |
| Highest Attendance: | 75,230 (Grand Final vs.) |
| Lowest Attendance: | 5,741 (Round 13 vs.) |
| Average Attendance: | 28,551 |
| Prevseason: | 1990 |
| Nextseason: | 1992 |
The 1991 season was the Hawthorn Football Club's 67th season in the Australian Football League and 90th overall.
| Rd | Date and local time | Opponent | Scores (Hawthorn's scores indicated in bold) | Venue | Attendance | Record | |||
|---|---|---|---|---|---|---|---|---|---|
| Home | Away | Result | |||||||
| 1 | Friday, 22 March (7:40 pm) | 24.11 (155) | 9.15 (69) | Lost by 86 points | Football Park (A) | 44,902 | 0–1 | ||
| 2 | Monday, 1 April (2:10 pm) | 25.16 (166) | 10.15 (75) | Won by 91 points | Princes Park (H) | 13,815 | 1–1 | ||
| 3 | Saturday, 6 April (2:10 pm) | 20.16 (136) | 11.13 (79) | Won by 57 points | Waverley Park (H) | 25,960 | 2–1 | ||
| 4 | Bye | ||||||||
| 5 | Saturday, 20 April (2:10 pm) | 17.16 (118) | 16.11 (107) | Lost by 11 points | Waverley Park (A) | 21,448 | 2–2 | ||
| 6 | Sunday, 28 April (2:10 pm) | 11.8 (74) | 36.15 (231) | Won by 157 points | North Hobart Oval (A) | 13,335 | 3–2 | ||
| 7 | Saturday, 4 May (2:10 pm) | 8.14 (62) | 21.18 (144) | Lost by 82 points | Princes Park (H) | 18,585 | 3–3 | ||
| 8 | Saturday, 11 May (2:10 pm) | 18.14 (122) | 11.12 (78) | Won by 44 points | Waverley Park (H) | 29,727 | 4–3 | ||
| 9 | Saturday, 18 May (2:10 pm) | 15.13 (103) | 13.9 (87) | Won by 16 points | Waverley Park (H) | 40,537 | 5–3 | ||
| 10 | Saturday, 25 May (2:10 pm) | 16.12 (108) | 23.13 (151) | Won by 43 points | Waverley Park (A) | 45,595 | 6–3 | ||
| 11 | Saturday, 1 June (2:10 pm) | 10.17 (77) | 15.13 (103) | Lost by 26 points | Princes Park (H) | 20,832 | 6–4 | ||
| 12 | Monday, 10 June (2:10 pm) | 13.18 (96) | 20.16 (136) | Lost by 40 points | Princes Park (H) | 23,123 | 6–5 | ||
| 13 | Saturday, 15 June (2:10 pm) | 22.17 (149) | 9.8 (62) | Won by 87 points | Princes Park (H) | 5,741 | 7–5 | ||
| 14 | Saturday, 22 June (2:10 pm) | 11.11 (77) | 19.13 (127) | Won by 50 points | Waverley Park (A) | 30,664 | 8–5 | ||
| 15 | Friday, 28 June (7:40 pm) | 18.7 (115) | 27.17 (179) | Won by 64 points | Melbourne Cricket Ground (A) | 25,819 | 9–5 | ||
| 16 | Saturday, 6 July (2:10 pm) | 23.20 (158) | 14.11 (95) | Won by 63 points | Waverley Park (H) | 21,715 | 10–5 | ||
| 17 | Sunday, 14 July (2:10 pm) | 14.19 (103) | 15.24 (114) | Won by 11 points | Sydney Cricket Ground (A) | 12,143 | 11–5 | ||
| 18 | Saturday, 20 July (2:10 pm) | 13.10 (88) | 13.16 (94) | Won by 6 points | Waverley Park (A) | 24,731 | 12–5 | ||
| 19 | Bye | ||||||||
| 20 | Saturday, 3 August (2:10 pm) | 12.11 (83) | 10.9 (69) | Won by 14 points | Waverley Park (H) | 20,670 | 13–5 | ||
| 21 | Saturday, 10 August (2:10 pm) | 28.27 (195) | 10.9 (69) | Won by 126 points | Princes Park (H) | 11,500 | 14–5 | ||
| 22 | Sunday, 18 August (2:10 pm) | 15.9 (99) | 11.9 (75) | Lost by 24 points | Subiaco Oval (A) | 35,001 | 14–6 | ||
| 23 | Saturday, 24 August (2:10 pm) | 8.10 (58) | 23.18 (156) | Won by 98 points | Princes Park (A) | 18,521 | 15–6 | ||
| 24 | Saturday, 31 August (2:10 pm) | 9.9 (63) | 21.17 (143) | Won by 80 points | Waverley Park (A) | 48,311 | 16–6 | ||
| [1] | |||||||||
| Rd | Date and local time | Opponent | Scores (Hawthorn's scores indicated in bold) | Venue | Attendance | |||
|---|---|---|---|---|---|---|---|---|
| Home | Away | Result | ||||||
| Qualifying final | Sunday, 8 September (2:30 pm) | 15.11 (101) | 18.16 (124) | Won by 23 points | Subiaco Oval (A) | 44,142 | ||
| 2nd semi-final | Saturday, 14 September (2:30 pm) | 13.17 (95) | 13.15 (93) | Won by 2 points | Waverley Park (H) | 63,733 | ||
| Grand Final | Saturday, 28 September (2:50 pm) | 20.19 (139) | 13.8 (86) | Won by 53 points | Waverley Park (H) | 75,230 | ||