Defending champions Dylan Alcott and Heath Davidson defeated Andy Lapthorne and David Wagner in the final, 6–3, 6–7(6–8), [12–10] to win the quad doubles wheelchair tennis title at the 2019 Australian Open. It was the first step towards an eventual Grand Slam for Alcott.
| Wheelchair quad doubles | |
|---|---|
| 2019 Australian Open | |
| Champions |  Dylan Alcott Heath Davidson |
| Runners-up |  Andy Lapthorne David Wagner |
| Score | 6–3, 6–7(6–8), [12–10] |
Seeds edit
Andy Lapthorne / 
David Wagner (final)
Dylan Alcott / Heath Davidson (champions)
Draw edit
Key edit
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
| Final | ||||||
| 1 | Andy Lapthorne David Wagner
| 3 | 78 | [10] | ||
| 2 | Dylan Alcott Heath Davidson
| 6 | 66 | [12] | ||