2005–06 in Australian soccer

The 2005–06 season was the 37th season of national competitive association football in Australia and 123rd overall. This was the first season following the formation of the A-League.

A-League
The inaugural 2005–06 A-League season began on 26 August 2005 and ended on 5 March 2006.

A-League Pre-Season Challenge Cup
The inaugural 2005 A-League Pre-Season Challenge Cup began on 22 July 2005 and ended on 20 August 2005.

Group stage

 * Group A


 * Group B

OFC Club Championship
The 2005 OFC Club Championship began on 31 May 2005 and ended on 10 June 2005. Sydney FC entered as winners of the 2005 Australian Club World Championship Qualifying Tournament.

FIFA Club World Championship
The 2005 FIFA Club World Championship ran from 11 to 18 December 2005. Sydney FC qualified as winners of the 2005 OFC Club Championship.

Friendlies
The following is a list of friendlies played by the men's senior national team in 2005–06.

Friendlies
The following is a list of friendlies played by the men's under-23 national team in 2005–06.

Friendlies
The following is a list of friendlies played by the men's under-20 national team in 2005–06.

Friendlies
The following is a list of friendlies played by the men's under-17 national team in 2005–06.

Friendlies
The following is a list of friendlies played by the women's senior national team in 2005–06.

Friendlies
The following is a list of friendlies played by the women's senior national team in 2005–06.

Deaths

 * 25 November 2005: George Best, Northern Ireland and Brisbane Lions midfielder.