2015 World Series is the 2015 championship series of Major League Baseball.
It may also refer to:
Baseball and softball
2015 College World Series 2015 Little League Softball World Series 2015 Little League World Series
Other
2015 PSA World Series 2015 World Series of Poker 2015 World Series by Renault season 2015 WSA World Series 2015–16 America's Cup World Series