Adelaide United
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed None |
| Off Contract 2017/18 Johan Absalonsen, Dzengis Cavusevic, Tarek Elrich, Jordan Elsey, Ben Garuccio, James Holland, Vince Lia, Karim Matmour, Jordan O'Doherty |
Brisbane Roar
| 2018/19 Gains Stefan Mauk (Melbourne City, 2021/22), Adam Taggart (Perth Glory, 2019/20) |
| 2018/19 Losses None |
| Re-Signed Jack Hingert (2018/19), Matt McKay (2018/19) |
| Off Contract 2017/18 Eric Bautheac, Fahid Ben, Brandon Borrello, Daniel Bowles, Corey Brown, Joe Caletti, Corey Gameiro, Ersan Gülüm, Brett Holman, Dane Ingham, Massimo Maccarone, Emilio Martinez, Jade North, Connor O'Toole, Tommy Oar, Avram Papadopoulos, Jacob Pepper, Petros Skapetis, Michael Theo, Jamie Young |
Central Coast Mariners
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed None |
| Off Contract 2017/18 Harry Ascroft, Josh Bingham, James Delianov, Thomas Glover, Antony Golec, Anthony Kalik, Ben Kennedy, Blake Powell, Liam Rose, Kye Rowles |
Melbourne City
| 2018/19 Gains None |
| 2018/19 Losses Luke Brattan (EPL), Neil Kilkenny (released), Stefan Mauk (Brisbane Roar) |
| Re-Signed None |
| Off Contract 2017/18 Anthony Caceres, Marcelo Carrusca, Nick Fitzgerald, Ivan Franjic, Bruce Kamau, Manny Muscat, Erik Paartalu |
Melbourne Victory
| 2018/19 Gains None |
| 2018/19 Losses Terry Antonis (Greece) |
| Re-Signed None |
| Off Contract 2017/18 Matt Acton, Kenjok Athiu, Kosta Barbarouses, Besart Berisha, Oliver Bozanic, Leigh Broxham, Dino Djulbic, Leroy George, Mark Milligan, Stefan Nigro, Marco Rojas, Matías Sánchez, Lawrence Thomas, Carl Valeri |
Newcastle Jets
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed None |
| Off Contract 2017/18 Daniel Alessi, Nigel Boogaard, Devante Clut, Nick Cowburn, Jack Duncan, Jason Hoffman, Ben Kantarovski, Glen Moss, Andrew Nabbout, Kosta Petratos, Ronald Varga, Ivan Vujica |
Perth Glory
| 2018/19 Gains None |
| 2018/19 Losses Adam Taggart (Brisbane Roar) |
| Re-Signed None |
| Off Contract 2017/18 Jake Brimmer, Diego Castro, Rostyn Griffiths, Andreu Guerao, Neil Kilkenny, Shane Lowry, Joseph Mills, Daniel Stynes, Xavi Torres |
Sydney FC
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed None |
| Off Contract 2017/18 Alex Brosque, Jordy Buijs, David Carney, Conor Metcalfe, Adrian Mierzejewski, Milos Ninkovic, Andrew Redmayne, Matt Simon, George Timotheou, Danny Vukovic, Alex Wilkinson, Luke Wilkshire, Michael Zullo |
Wellington Phoenix
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed None |
| Off Contract 2017/18 Ali Abbas, Andrew Durante, Gui Finkler, Scott Galloway, Lewis Italiano, Andrija Kaludjerović, Daniel Mullen, Goran Paracki, Marco Rossi, Alex Rufer, Dario Vidosic |
Western Sydney Wanderers
| 2018/19 Gains None |
| 2018/19 Losses None |
| Re-Signed Vedran Janjetovic (2021/22) |
| Off Contract 2017/18 Jonathan Aspropotamitis, Aritz Borda, Álvaro Cejudo, Jack Clisby, Robert Cornthwaite, John Hall, Steven Lustica, Abraham Majok, Jacob Melling, Brendon Santalab, Nicholas Suman, Michael Thwaite, Jerrad Tyson |
