| 2021 AFL Women's season | |
|---|---|
 | |
| Overview | |
| Date | 28 January—17 April 2021 |
| Teams | 14 |
| Premiers | Brisbane 1st premiership |
| Runners-up | Adelaide 1st runners-up result |
| Minor premiers | Adelaide 1st minor premiership |
| Best and fairest | Kiara Bowers (Fremantle) Brianna Davey (Collingwood) 15 votes |
| Leading goalkicker | Darcy Vescio (Carlton) 16 goals |
| Attendance | |
| Matches played | 68 |
| Total attendance | 155,908 (2,293 per match) |
| Highest (H&A) | 9,552 (round 6, West Coast v Fremantle) |
| Highest (finals) | 22,934 (grand final, Adelaide v Brisbane) |
The 2021 AFL Women's season was the fifth season of the AFL Women's (AFLW) competition, the highest-level senior women's Australian rules football competition in Australia. The season featured 14 clubs and ran from 28 January to 17 April, comprising a nine-round home-and-away season followed by a three-week finals series featuring the top six clubs.
Brisbane won the premiership, defeating Adelaide by 18 points in the 2021 AFL Women's Grand Final. Adelaide won the minor premiership by finishing atop the home-and-away ladder with a 7–2 win–loss record. Fremantle's Kiara Bowers and Collingwood's Brianna Davey tied for the AFL Women's best and fairest award as the league's best and fairest players, and Carlton's Darcy Vescio won their second AFL Women's leading goalkicker award as the league's leading goalkicker.