Round 4
| Umpire | 2021 | Career |
| Andrew Adair | 2 | 17 |
| Matthew Adams | 1 | 7 |
| Matthew Baigent | 3 | 12 |
| Peter Bailes | 3 | 15 |
| Chris Brackenrig | 2 | 2 |
| Tom Bryce | 1 | 17 |
| Ray Chamberlain | 2 | 4 |
| Jeffrey Dalgleish | 2 | 3 |
| Jordan Fry | 2 | 7 |
| Dean Garroway | 1 | 1 |
| Andre Gianfagna | 2 | 2 |
| Eleni Glouftsis | 2 | 4 |
| Mitchell Harris | 1 | 4 |
| Andrew Heffernan | 2 | 15 |
| Louis Jago | 2 | 6 |
| Nicholas Jankovskis | 2 | 6 |
| Daniel Johanson | 2 | 16 |
| Giles Lewis | 1 | 12 |
| Lucinda Lopes | 2 | 7 |
| Nicholas McGinness | 4 | 24 |
| Christopher Melin | 2 | 4 |
| Simon Meredith | 2 | 5 |
| Andrew Mitchell | 4 | 8 |
| Mathew Nicholls | 2 | 2 |
| Samuel Nippress | 2 | 4 |
| Jordyn Pearson | 1 | 2 |
| Michael Pell | 4 | 15 |
| Luke Porter | 3 | 7 |
| Paul Rebeschini | 1 | 8 |
| Martin Rodger | 4 | 16 |
| Leighton Rowe | 3 | 3 |
| Gabby Simmonds | 3 | 21 |
| James Strybos | 4 | 25 |
| Nathan Toner | 3 | 20 |
| Sam Whetton | 3 | 3 |
| Nathan Williamson | 2 | 3 |
| Umpire | 2021 | Career |
| Blake Anderson | 5 | 21 |
| Lachlan Higgs | 3 | 3 |
| Simon Blight | 3 | 9 |
| Trent Bowes | 5 | 16 |
| Sam Button | 3 | 7 |
| Leigh Buwalda | 2 | 16 |
| Gerard Carter | 2 | 7 |
| John Cooper | 5 | 18 |
| Jake D'Angelo | 2 | 2 |
| Chris Delany | 1 | 1 |
| Ben Duce | 3 | 8 |
| Ty Duncan | 4 | 18 |
| Martin Elsegood | 2 | 6 |
| Benjamin Fely | 4 | 20 |
| Kieran Ferguson | 5 | 19 |
| Luke Graves | 2 | 8 |
| Scott Hansford | 3 | 3 |
| Ashley Hawkes | 5 | 16 |
| Ryan Hickey | 4 | 10 |
| Lachlan Higgs | 3 | 3 |
| Ethan Lamont | 3 | 10 |
| Anthony Laughton | 5 | 8 |
| Madeleine Lum | 4 | 15 |
| Greta Miller | 5 | 18 |
| Will Morris | 3 | 3 |
| Scott Hansford | 4 | 4 |
| Nicholas Phillips | 5 | 21 |
| Samuel Royans | 2 | 7 |
| Jordan Russell | 3 | 15 |
| Braydon Theil | 2 | 7 |
| Jesse Wilkie | 5 | 18 |
| Lewis Williams | 2 | 8 |
| Nick Wrenn | 3 | 13 |
| Umpire | 2021 | Career |
| Tope Adepoyibi | 2 | 9 |
| Ciara Briody | 1 | 3 |
| Christian Cutrona | 2 | 2 |
| Matthew Edwards | 3 | 8 |
| Nicholas Ford | 2 | 10 |
| Tiana Fry | 2 | 16 |
| Adam Gardner | 3 | 7 |
| Thomas Gath | 3 | 4 |
| Georgia Henderson | 1 | 7 |
| Emilie Hill | 1 | 9 |
| Callum Leonard | 3 | 19 |
| Zachary Mabb | 2 | 6 |
| Tayla Manning | 3 | 12 |
| Taylor Mattioli | 2 | 17 |
| Kane Miller | 2 | 4 |
| Luke Monea | 3 | 15 |
| Victor Petrovic | 1 | 7 |
| James Rizio | 3 | 9 |
| Jack Stammers | 4 | 12 |
| Adam Stegar | 2 | 3 |
| Belinda Stewart | 2 | 7 |
| Tom Sullivan | 2 | 10 |
| John Varker | 3 | 17 |
| Chloe Wright | 2 | 4 |
| Jason Yazdani | 2 | 15 |
