Stewart Mills is an Australian former rugby league footballer who played as a wing, centre and fullback for the Cronulla-Sutherland Sharks in the NRL.

He was contracted to the Brisbane Broncos as part of their National Rugby League squad, but did not feature in the first team.

[2] League great Phil Gould described Mills' first game as "one of the toughest and most competent first-grade debuts" he had seen.

[5] In the middle of his contract, Mills quit the Brisbane club to return home and work as an landscaper.

In late 2016, he revealed on Instagram that he was retiring due to a chronic knee injury, he is now Captain Coach for the Nyngan Tigers 2017.