2005 in rugby league
- 17–19 – Leeds, England: The England national rugby union team spends three days training with newly crowned Super League champions Leeds Rhinos.
- 4th – Leeds, England: The 2005 World Club Challenge is won by the Leeds Rhinos who defeated the Bulldogs 39–32 at Elland Road before a crowd of 37,028.
- 23rd – Sydney, Australia: Former Wests Tigers captain Jarrod McCracken wins a court case against Melbourne Storm players Stephen Kearney and Marcus Bai for the career-ending spear tackle they performed on him in 2000.
- 23rd – Watford, England: Great Britain captain Andy Farrell signs on to play rugby union for Saracens FC.
- 22nd – Brisbane, Australia: In the 2005 ANZAC Test Australia defeat New Zealand 32–16 at Lang Park before a crowd of 40,317.
- 27th – Sydney, Australia: The National Rugby League announces that a new team based in Gold Coast, Queensland will be added for the 2007 NRL season.
- 9th – New Zealand: The NZRL announces Brian McClennan as the New Zealand national team's new coach.
- 6th – Brisbane, Australia: The third and deciding game of the 2005 State of Origin series is won 32–10 by New South Wales at Suncorp Stadium before a crowd of 52,496.
- 17th – Blackpool, England: The 2005 Northern Rail Cup competition culminates in Hull Kingston Rovers' 16–18 victory over Castleford Tigers in the final at Bloomfield Road before a crowd of 9,400.
- 27th – Cardiff, Wales: The 2005 Challenge Cup tournament culminates in Hull's 25–24 defeat of Leeds Rhinos in the final at Millennium Stadium before a crowd of 74,213.
- 21st – Sydney, Australia: The 7th annual Tom Brock Lecture, entitled The Great Fibro versus Silvertail Wars, is delivered by Roy Masters.
- 28th – Wales: The Welsh Rugby League appoint Martin Hall, 36, as coach of the Wales national rugby league team.
- 2nd – Sydney, Australia: The 2005 NRL Grand Final is won by the Wests Tigers who defeated the North Queensland Cowboys 30–16 at Telstra Stadium before a crowd of 82,453.
- 15th – Manchester, England: The 2005 Super League Grand Final is won by the Bradford Bulls who defeated Leeds Rhinos 15–6 at Old Trafford before a crowd of 65,537.
- 5th – Carcassonne, France: The 2005 European Nations Cup tournament culminates in France's 38–16 victory over Wales at Stade Albert Domec.
- 26th – Leeds, England: The 2005 Tri-nations series culminates in New Zealand's 24–0 victory over Australia in the final at Elland Road before a crowd of 26,534.
- 12th – Brisbane, Australia: The Australian Rugby League announces Ricky Stuart as the replacement for Wayne Bennett, who stood down days earlier as coach of the Australian national team.
- "Cross-code training pleases Robinson". Morning Star. 19 January 2005. Retrieved 7 October 2011.
- news.bbc.co.uk (4 February 2005). "Rhinos power to world club crown". BBC Sport. UK: BBC. Retrieved 30 June 2010.
- AAP (23 February 2005). "McCracken wins court battle". nzherald.co.nz. New Zealand: APN Holdings NZ Limited. Retrieved 16 June 2010.
- "Farrell switches codes". Telegraph.co.uk. UK: Telegraph Media Group Limited. 23 March 2005. Retrieved 30 June 2010.
- NZPA (22 April 2005). "Kiwis outplayed in Anzac test". nzherald.co.nz. New Zealand: APN Holdings NZ Limited. Retrieved 30 June 2010.
- Walter, Brad (27 May 2007). "Gold Coast joins NRL". The Sydney Morning Herald. Australia: Fairfax Media. Retrieved 3 August 2010.
- Jessup, Peter (10 June 2005). "McClennan deserves job". The New Zealand Herald. New Zealand: APN Holdings NZ Limited. Retrieved 3 August 2010.
- AAP (6 July 2005). "Blues rout Maroons". The Sydney Morning Herald. Australia: Fairfax Media. Retrieved 3 August 2010.
- Hughes, Ed (28 August 2005). "Hull 25 Leeds 24: Hull end 23-year wait to lift Cup". The Sunday Times. UK: Times Newspapers. Retrieved 5 March 2011.
- Masters, Roy (2006). "The Great Fibro versus Silvertail Wars'" (PDF). 7th Annual Tom Brock Lecture. Australia: Tom Brock Bequest Committee. Archived (PDF) from the original on 18 January 2011. Retrieved 18 January 2011.
- "Sports Round-up: Rugby League". The Telegraph. UK: Telegraph Media Group Limited. 28 September 2005. Retrieved 5 March 2011.
- Ubha, Ravi (2 October 2005). "Wests Tigers Beat Cowboys 30–16 in Australia's NRL Grand Final". bloomberg.com. Bloomberg L.P. Retrieved 5 March 2011.
- "Rhinos fail at final reckoning". Yorkshire Evening Post. UK: Johnston Publishing Ltd. 17 October 2005. Retrieved 5 March 2011.
- Richards, Huw (27 November 2005). "New Zealand dismantles Australia's dynasty, 24–0". The New York Times. USA: The New York Times Company. Retrieved 6 March 2011.
- AAP (12 December 2005). "Stuart is new Kangaroos coach". The Sydney Morning Herald. Australia: Fairfax Media. Retrieved 6 March 2011.