Football Australia has confirmed the Match Official appointments for the two first legs of the Liberty A-League 2023/24 Semi-Finals.
For the list of appointments on 21 April see below:
| (6) Newcastle Jets v Melbourne City (1) | Sunday 21 April 2024 | |||
| Maitland Regional Sportsground | 3:00 PM (Local) | 3:00 PM (AEDT) | ||
| Referee | Bec Mackie | Assistant Referee 1 | Maggie Price | |
| Fourth Official | Rebecca Durcau | Assistant Referee 2 | Danielle Anderson | |
| (5) Central Coast Mariners v Sydney FC (2) | Sunday 21 April 2024 | |||
| Industree Group Stadium | 3:00 PM (Local) | 3:00 PM (AEDT) | ||
| Referee | Isabella Mossin | Assistant Referee 1 | Emma Kocbek | |
| Fourth Official | Georgia Ghirardello | Assistant Referee 2 | Amber Morris | |