| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| D | Alex Gersbach | 1997-05-08 | 183 | 73 | 2019-06-30 | ||
| M | Alex Brosque | 1983-10-12 | 183 | - | |||
| M | Nick Carle | 1981-11-23 | 174 | - | |||
| M | Terry Antonis | 1993-11-26 | 178 | 68 | |||
| F | Marc Janko | 1983-06-25 | 196 | 93 | 2017-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 12.Jul | Joshua Brillante (M) | ACF Fiorentina | Sydney FC | Confirmed | |
| 3.Feb | Alex Gersbach (D) | Sydney FC | Rosenborg BK | Confirmed | |
| 25.Jan | Alex Gersbach (D) | Sydney FC | Aarhus GF | Doubtful | |
| 6.Jun | Terry Antonis (M) | Sydney FC | Parma FC | Confirmed | |
| 21.Feb | Alessandro Del Piero (F) | Sydney FC | Sydney FC | Extension | |
| 31.Aug | Alessandro Del Piero (F) | Juventus FC | Sydney FC | Confirmed | |
| 21.May | Ali Abbas Al-Hilfi (M) | Newcastle United Jets | Sydney FC | Confirmed | |
| 25.Aug | Brett Emerton (M) | Blackburn Rovers | Sydney FC | Confirmed | |
| 30.May | Nick Carle (M) | Crystal Palace | Sydney FC | Confirmed |