| A-League Pre-season Challenge Cup | |
| Year: | 2005 |
| Country: | Australia New Zealand |
| Num Teams: | 8 |
| Champions: | Central Coast Mariners (1st title) |
| Runner-Up: | Perth Glory |
| Matches: | 15 |
| Goals: | 34 |
| Top Goal Scorer: | Bobby Despotovski Nik Mrdja Sasho Petrovski (3 goals) |
| Nextseason: | 2006 |
The 2005 A-League Pre-season Challenge Cup was played in the lead up to the inaugural (2005-06) A-League season. It was won by the Central Coast Mariners, who beat Perth Glory in the final.
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