The 2013 New Zealand rugby league season was the 106th season of rugby league that had been played in New Zealand. The main feature of the year was the National Competition run by the New Zealand Rugby League. The competition was won by the Akarana Falcons, who defeated the Counties Manukau Stingrays 22-12 in the final.

The New Zealand national rugby league team competed in the 2013 ANZAC Test in addition to the end of year World Cup.

The New Zealand national rugby league team played the annual ANZAC Test against Australia at Canberra Stadium on 19 April, losing 12-32.^[1][2] The squad was Josh Hoffman, Sam Perrett, Shaun Kenny-Dowall, Dean Whare, Jason Nightingale, Kieran Foran (c), Shaun Johnson, Jesse Bromwich, Issac Luke, Jared Waerea-Hargreaves, Frank Pritchard, Kevin Proctor, Alex Glenn, Bench: Elijah Taylor, Sam McKendry, Ben Matulino, Tohu Harris. Captain Simon Mannering was ruled out on the day of the test, with Glenn replacing him in the starting side and Harris joining the bench. Roger Tuivasa-Sheck was the reserve.^[3][4]

At the end of the year the Kiwis participated in the 2013 World Cup, where they made it to the final and lost to Australia 2-34. The tournament was hosted in England, Wales, France and Ireland.^[5] The Kiwis played a warm up game against the Cook Islands side, winning 50-0. The match was not an official test match and featured a six-man bench and an unlimited interchange.

The New Zealand Māori side hosted the Murri Queensland Indigenous team. Coached by Darren Pirini, the squad consisted of Steve Wateford, Thyme Nikau, Rusty Bristow, Zebastian Luisi, Tee Mahe, Cody Walker, Jody Henry, Sam Rapira, Kurt Kara, Charlie Gubb, Bodene Thompson, Rulon Nutira, Scott Jones, Hamiora Mihaka, Tony Tuia, Jay Pukepuke and Kouma Samson.^[6]

The Junior Kiwis lost 26-38 to the Junior Kangaroos at WIN Jubilee Oval on 13 October 2013. The side included Kurtis Rowe, Dallin Watene-Zelezniak, Jeremy Hawkins, Ngani Laumape, David Fusitua, Tuimoala Lolohea, Mason Lino, Albert Vete, Manaia Cherrington, James Taylor, Raymond Faitala-Mariner, Joseph Tapine, David Bhana (c). Interchange: Mitch Clark, David Minute, Zach Docker-Clay, Takai Moeakiola.

The Kiwi Ferns competed in the Women's World Cup, losing the final for the first time. As part of the Festival of World Cups, New Zealand also sent a tertiary and defence force teams.

The NZRL's player of the year was Kieran Foran.^[7]

The New Zealand Warriors spent their 19th first grade season in the Australian competition, playing in the National Rugby League.

The Junior Warriors again competed in the Holden Cup, while the Auckland Vulcans competed in the NSW Cup.