Maddison Allen (born 3 July 1993) is an Australian professional basketball player.

[2] Allen would begin her professional career with the Canberra Capitals after signing for the 2016–17 WNBL season.

[3] After joining the Capitals, Allen would play alongside the likes of Marianna Tolo and Carly Wilson.

In 2018, Allen would return to the league after signing a full-time contract with the Perth Lynx for the 2018–19 season.

In her first season with the Lynx, Allen was one of the league's leading shot blockers and she would also make her WNBL Finals debut.