The 2015 St Kilda Football Club season was the 119th in the club's history.
Coached by Alan Richardson and captained by Nick Riewoldt, they competed in the AFL's 2015 Toyota Premiership Season.
The following summarises all player changes between the conclusion of the 2014 season and the commencement of the 2015 season.
In: Out: The first two practice matches were played as part of the 2015 NAB Challenge, and were played under modified pre-season rules, including nine-point goals.
The final practice match was not part of the NAB Challenge, and was played under premiership season rules.