| Mgrtitle: | Manager |
| Chrtitle: | Owner |
| League Result: | 4th |
| League Topscorer: | Ante Miličić - 7 |
| Highest Attendance: | 13,160 v Adelaide United 26 August 2005 |
| Lowest Attendance: | 5,868 v Perth Glory 8 October 2005 |
| Nextseason: | 2006–07 |
The 2005–06 A-League season was the first for the newly branded Newcastle United Jets. The Jets finished 4th at the conclusion of the regular season and were knocked out in the semi-finals by Adelaide United after a two-leg home and away series.
| width=180 | Name | width=70 | Position | width=170 | From | width=70 | Fee (A$) |
|---|---|---|---|---|---|---|---|
| Goalkeeper | Free | ||||||
| Defender | Free | ||||||
| Defender | Free | ||||||
| Defender | Free | ||||||
| Defender | Free | ||||||
| Defender | Free | ||||||
| Midfield | Free | ||||||
| Midfield | Free | ||||||
| Forward | Free | ||||||
| Midfield | Free | ||||||
| Midfield | Free | ||||||
| Forward | Free | ||||||
| Defender | Free | ||||||
| Midfield | Unsigned | N/A | |||||
| Midfield | Unsigned | N/A | |||||
| Forward | Free | ||||||
| Forward | Free | ||||||
| Defender | Unknown | N/A | |||||
| Forward | Free | ||||||
| Goalkeeper | Free | ||||||
| Defender | Unknown | N/A | |||||
| Forward | Unknown | N/A | |||||
| Defender | Free | ||||||
| Midfield | Unknown | N/A | |||||
| Forward |  South Melbourne (loan) | Free |
| width=150 | Team | width=20 | Pts | width=20 | Pld | width=20 | W | width=20 | D | width=20 | L | width=20 | GF | width=20 | GA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Melbourne Victory | 5 | 3 | 1 | 2 | 0 | 2 | 1 | ||||||||
| Perth Glory | 4 | 3 | 1 | 1 | 1 | 4 | 4 | ||||||||
| Adelaide United | 3 | 3 | 0 | 3 | 0 | 3 | 3 | ||||||||
| Newcastle United Jets | 2 | 3 | 0 | 2 | 1 | 3 | 4 |
| width=160 | Name | width=100 | Pre-Season | width=100 | A-League | width=100 | Finals |
|---|---|---|---|---|---|---|---|
| 0 | 7 | 0 | |||||
| 0 | 4 | 0 | |||||
| 1 | 3 | 1 | |||||
| 0 | 3 | 0 | |||||
| 0 | 3 | 0 | |||||
| 1 | 2 | 0 | |||||
| 0 | 2 | 0 | |||||
| 0 | 1 | 0 | |||||
| 0 | 1 | 0 | |||||
| 1 | 0 | 0 |