Alex Glenn (born 31 July 1988) is a former professional rugby league footballer who captained and played as a second-row and centre for the Brisbane Broncos in the NRL.

On 5 October 2008, Glenn captained the Broncos in the 2008 NYC Grand Final against the Canberra Raiders, starting at lock in their 28-24 golden point extra time loss.

[6] In Round 3 against the New Zealand Warriors, Glenn scored his first NRL career try in the Broncos 26–10 win at Mt Smart Stadium.

[10] In Round 14 against the Canberra Raiders, Glenn became the youngest ever Brisbane Broncos captain, aged 22 in the absence of Darren Lockyer.

On 16 October 2011, Glenn made his international debut for the New Zealand in the post-season test game against Australia, starting at second-row in the Kiwis 42–6 loss at Hunter Stadium.

[13] In April 2012, Glenn was selected in the New Zealand team to play against Australia in the 2012 ANZAC Test at Eden Park in Auckland, starting from the interchange bench in the Kiwis 20–12 loss.

[21] In Round 7 against the St George Illawarra Dragons, Glenn played his 150th NRL career match in the Broncos 12–10 loss at Jubilee Oval.

Glenn was one of four members of Brisbane's grand final team to be included in coach Stephen Kearney's squad for the three-test tour.

[29] On 1 May 2016, Glenn was added to the New Zealand national rugby league team 19-man squad for the 2016 ANZAC Test but was ruled out due to a calf injury.

[33] In Round 9 against the Penrith Panthers, Glenn played his 200th NRL career match in the Broncos 32–18 win at Suncorp Stadium.

[34][35] On 6 May 2017, Glenn captained the Cook Islands against Papua New Guinea in the 2017 Pacific Cup, starting at second-row in the 32–22 loss at Campbelltown Stadium.

In November 2018, it was rumoured that Glenn was going to get a release from his contract from the Broncos to join the Gold Coast Titans because of the club trying to retain Matt Lodge and Tevita Pangai Junior.

[40] Glenn made only eight appearances for Brisbane in the 2020 NRL season as the club finished last for the first time in their history and claimed the wooden spoon.