International Series may refer to:
NFL International Series, a series of American football games held outside the United States during the NFL regular season ATP International Series, a series of professional tennis tournaments held 2000–2008 International Series (golf), a series of professional golf tournaments on the Asian Tour
See also International GTSprint Series, a grand tourer-style sports car racing held 2010–2014 International Open Series, a series of snooker tournaments held 2001–2010 International Rules Series, a senior men's international rules football competition between Australia and Ireland International Sedan Series, a stock car racing series created by NASCAR International Superstars Series, touring car racing championship held 2004–2013