Born in Queensland, Australia, a teacher by profession, a BE in Physical Education from Queensland University of Technology, he played Rugby Union (inside centre) with Queensland Schoolboys and Eastern Districts and Rugby League with Queensland U16s/19s, Australian Universities.
In July 2008, McGahan took up the position as the director of coaching of Munster following Declan Kidney's departure to take over as Ireland coach. He had been involved with the Munster team since 2005 as the defence and backs coach.
McGahan left Munster at the end of the 2011–12 season, to take up a role as Australian defence coach.
McGahan took up the role of coaching co-ordinator after leaving Munster at the end of the 2011–12 European domestic season.
- "McGahan Confirmed As New Munster Coach". IrishRugby.ie. 2008-06-18. Retrieved 2010-09-20.[dead link]
- "Munster name McGahan as new coach". BBC Sport. 18 June 2008. Retrieved 20 September 2010.
- "McGahan confirmed as Munster head coach". Independent. 18 Jun 2008. Retrieved 20 September 2010.
- "Munster power to Magners title". ESPN Scrum. 28 May 2011. Retrieved 1 June 2011.
- "Tony McGahan set to leave Munster for Australia at end of season". BBC Sport. 22 February 2012. Retrieved 22 February 2012.
- Rebels Media Unit (8 July 2013). "Rebels appoint Tony McGahan as Head Coach" (Press release). Melbourne Rebels. Retrieved 29 October 2013.
- "Tony McGahan appointed Melbourne Rebels coach". Australian. News. 8 July 2013. Retrieved 13 July 2013.
- "Competition heats up between young Rebel halves ahead of new campaign". Super Rugby News. Sanzar. 20 November 2013. Retrieved 20 November 2013.
|Munster Rugby coach