Joshua McGuire (born 2 March 1990) is a professional rugby league footballer who played as a prop and lock. McGuire last played for the Warrington Wolves in the Super League and has also represented Samoa and Australia at an international level.

He previously played for the Brisbane Broncos, North Queensland Cowboys and the St. George Illawarra Dragons in the National Rugby League, and at representative level for the Prime Minister's XIII and Queensland in the State of Origin series.

McGuire was born in Brisbane, Queensland, Australia. His mother is from Auckland, New Zealand and his maternal grandfather is from Samoa. When he was two, he moved to Lismore, New South Wales with his family.

He moved back to Brisbane at age 12 and began playing junior football for the Aspley Devils at age 14, before being signed by the Brisbane Broncos.

Before playing rugby league, McGuire was a junior ice hockey player, having been scouted by Ralph Barahona to potentially trial for the Vancouver Canucks.

In 2007, McGuire played for Queensland under-17s and under-19s. In 2008, he played for Queensland under-18s. McGuire played for the Brisbane Broncos Under 20's side from 2008 to 2010, playing 29 games and scoring 11 tries.^{[citation needed]}

In Round 3, McGuire made his NRL debut for Brisbane against the New Zealand Warriors, playing off the interchange bench in Brisbane's 26–10 win at Mt Smart Stadium. In Round 22 against the Cronulla-Sutherland Sharks, McGuire scored his first NRL try in Brisbane's 30–10 win at Suncorp Stadium. McGuire finished his debut year in the NRL with him playing in 14 matches and scoring two tries.

In the 2010, McGuire played in 14 matches for the Brisbane club. He debuted for Samoa against New Zealand on 16 October.