Jack Lonie (born 13 August 1996) is an Australian rules football player.

[2] He made his debut in the opening round of the 2015 season in the nine point loss to Greater Western Sydney at Etihad Stadium.

[3] In his twelfth match, he recorded eighteen disposals, five inside-50s, three marks, two tackles and a goal in the 110-point win over Essendon at Etihad Stadium to earn the round fourteen nomination for the 2015 AFL Rising Star.

Despite this, he drew positive attention for a three-goal performance in the final round of the year[5] In October 2018, Lonie signed a two-year contract extension with St Kilda, keeping him at the club until at least the end of 2020.

[6] During the 2019 season, Lonie's performance against the Western Bulldogs in round 18 was considered impressive.