Jacob Brennan (born 24 January 1990) is an Australian rules footballer who previously played for the West Coast Eagles in the Australian Football League (AFL).
The son of Michael Brennan, Brennan was drafted at the 2010 National Draft, under the father–son rule.
He made his debut for the club during the 2012 season, and played 28 games before being delisted at the end of the 2014 season.