David Corcoran is a former Australian rules football

Australian rules football

Australian rules football, officially known as Australian football, also called football, Aussie rules or footy is a sport played between two teams of 22 players on either...

 umpire

Umpire (Australian rules football)

An umpire is an official in the sport of Australian rules football.-Origins:Unlike many other codes of football, where the official is called a referee, in Australian Football, the officials borrow their title from the game of cricket, which is played on the same types of fields and was an...

 who umpired in the Australian Football League

Australian Football League

The Australian Football League is both the governing body and the major professional competition in the sport of Australian rules football...

.

WAFL

Corcoran began his senior umpiring career with the West Australian Football League

West Australian Football League

The West Australian Football League is an Australian rules football league based in Perth, Western Australia. The WAFL is the second-most popular in the state, behind the nation-wide Australian Football League...

where he umpired his first league match in 1998. Corcoran umpired 115 WAFL league matches between 1998 and 2004 including four WAFL Grand Finals.

AFL

Corcoran joined the AFL list in 2001. He umpired 31 AFL matches up to May 2003 when his contract was terminated by the AFL.