World No.1s Simona Halep and Novak Djokovic will top the seedings at Australian Open 2019.
Defending champions Caroline Wozniacki and Roger Federer are both seeded No.3, with the draw set to take place on Thursday.
| SEED | MEN'S SINGLES | WOMEN'S SINGLES |
| 1 | Djokovic, Novak (SRB) | Halep, Simona (ROU) |
| 2 | Nadal, Rafael (ESP) | Kerber, Angelique (GER) |
| 3 | Federer, Roger (SUI) | Wozniacki, Caroline (DEN) |
| 4 | Zverev, Alexander (GER) | Osaka, Naomi (JPN) |
| 5 | Anderson, Kevin (RSA) | Stephens, Sloane (USA) |
| 6 | Cilic, Marin (CRO) | Svitolina, Elina (UKR) |
| 7 | Thiem, Dominic (AUT) | Pliskova, Karolina (CZE) |
| 8 | Nishikori, Kei (JPN) | Kvitova, Petra (CZE) |
| 9 | Isner, John (USA) | Bertens, Kiki (NED) |
| 10 | Khachanov, Karen (RUS) | Kasatkina, Daria (RUS) |
| 11 | Coric, Borna (CRO) | Sabalenka, Aryna (BLR) |
| 12 | Fognini, Fabio (ITA) | Mertens, Elise (BEL) |
| 13 | Edmund, Kyle (GBR) | Sevastova, Anastasija (LAT) |
| 14 | Tsitsipas, Stefanos (GRE) | Goerges, Julia (GER) |
| 15 | Medvedev, Daniil (RUS) | Barty, Ashleigh (AUS) |
| 16 | Raonic, Milos (CAN) | Williams, Serena (USA) |
| 17 | Cecchinato, Marco (ITA) | Keys, Madison (USA) |
| 18 | Schwartzman, Diego (ARG) | Muguruza, Garbiñe (ESP) |
| 19 | Basilashvili, Nikoloz (GEO) | Garcia, Caroline (FRA) |
| 20 | Dimitrov, Grigor (BUL) | Kontaveit, Anett (EST) |
| 21 | Goffin, David (BEL) | Wang, Qiang (CHN) |
| 22 | Bautista Agut, Roberto (ESP) | Ostapenko, Jelena (LAT) |
| 23 | Carreno Busta, Pablo (ESP) | Suárez Navarro, Carla (ESP) |
| 24 | Chung, Hyeon (KOR) | Tsurenko, Lesia (UKR) |
| 25 | Shapovalov, Denis (CAN) | Buzarnescu, Mihaela (ROU) |
| 26 | Verdasco, Fernando (ESP) | Cibulkova, Dominika (SVK) |
| 27 | de Minaur, Alex (AUS) | Giorgi, Camila (ITA) |
| 28 | Pouille, Lucas (FRA) | Hsieh, Su-Wei (TPE) |
| 29 | Simon, Gilles (FRA) | Vekic, Donna (CRO) |
| 30 | Monfils, Gael (FRA) | Sharapova, Maria (RUS) |
| 31 | Johnson, Steve (USA) | Martic, Petra (CRO) |
| 32 | Kohlschreiber, Philipp (GER) | Strycova, Barbora (CZE) |