| Club: | Canberra Cosmos |
| Season: | 1999–2000 |
| Manager: | Tom Sermanni |
| Stadium: | Bruce Stadium |
| League: | National Soccer League |
| League Result: | 14th |
| League Topscorer: | Ivo de Jesus (12) |
| Highest Attendance: | 4,425 vs. Adelaide Force (1 October 1999) National Soccer League |
| Lowest Attendance: | 1,214 vs. Wollongong Wolves (14 April 2000) National Soccer League |
| Average Attendance: | 2,427 |
| Largest Win: | 3–0 vs. Adelaide Force (1 October 1999) National Soccer League 3–0 vs. Sydney United (15 November 1999) National Soccer League |
| Largest Loss: | 0–6 vs. Wollongong Wolves (14 April 2000) National Soccer League |
| Prevseason: | 1998–99 |
| Nextseason: | 2000–01 |
The 1999–2000 season was the fifth in the history of Canberra Cosmos. It was also the fifth season in the National Soccer League.
Players with no appearances not included in the list.[1]
| No. | Pos. | Nat. | Name | National Soccer League | Total | |||
|---|---|---|---|---|---|---|---|---|
| Apps | Goals | Apps | Goals | |||||
| 2 | FW | 17(7) | 2 | 24 | 2 | |||
| 3 | DF | 27(5) | 2 | 32 | 2 | |||
| 4 | DF | 18(1) | 3 | 19 | 3 | |||
| 5 | DF | 8(9) | 1 | 17 | 1 | |||
| 6 | MF | 32 | 3 | 32 | 3 | |||
| 7 | DF | 23 | 1 | 23 | 1 | |||
| 8 | FW | 21(8) | 6 | 29 | 6 | |||
| 9 | MF | 8(2) | 1 | 10 | 1 | |||
| 10 | FW | 7(8) | 1 | 15 | 1 | |||
| 11 | MF | 17(3) | 2 | 20 | 2 | |||
| 12 | MF | 26(1) | 1 | 27 | 1 | |||
| 14 | FW | 25(3) | 1 | 28 | 1 | |||
| 15 | FW | 9(12) | 0 | 21 | 0 | |||
| 16 | MF | 5(13) | 0 | 18 | 0 | |||
| 17 | DF | 31(1) | 0 | 32 | 0 | |||
| 19 | MF | 0(1) | 0 | 1 | 0 | |||
| 20 | GK | 21 | 0 | 21 | 0 | |||
| 21 | MF | 0(1) | 0 | 1 | 0 | |||
| 22 | DF | 3 | 0 | 3 | 0 | |||
| 23 | DF | 11(2) | 5 | 13 | 5 | |||
| 24 | DF | 19(1) | 1 | 20 | 1 | |||
| 25 | MF | 21(7) | 12 | 28 | 12 | |||
| 26 | MF | 15(4) | 2 | 19 | 2 | |||
| 30 | GK | 13 | 0 | 13 | 0 | |||
| width=15 | width=15 | width=15 | width=15 | width=145 | Name | width=120 | National Soccer League | width=120 | Total | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 20 | GK |  | Grant Barlow | 4 | 4 | |||||||
| 2 | 30 | GK | | Angelo Konstantinou | 1 | 1 | |||||||
| Total | 5 | 5 | |||||||||||