The World Series is the championship series of Major League Baseball. It may also refer to:

Baseball and softball Professional baseball Triple-A World Series, a contest in Minor League Baseball Junior World Series, a former championship in Minor League Baseball, played from 1904–1975 Caribbean World Series Negro World Series, a post-season baseball tournament which was held from 1924–1927 and from 1942–1948 between the champions of the Negro leagues, matching the mid-western winners against their east coast counterparts

Amateur baseball and softball Men's College World Series, an annual baseball tournament held in Omaha, Nebraska that is the culmination of the NCAA Division I Baseball Championship, which determines the NCAA Division I college baseball champion Women's College World Series, the final portion of the NCAA Division I Softball Championship for college softball in the United States Pony League World Series, a baseball tournament for children aged 14 and under Little League World Series, a baseball tournament for children aged 11 to 12 years old Little League Softball World Series Intermediate League World Series Junior League World Series Junior League World Series (softball), a softball tournament for girls aged between 13 and 14 Senior League World Series Big League World Series

Baseball video games World Series Baseball for the Sega Genesis World Series Baseball 2K2 for the Xbox Intellivision World Series Baseball, a baseball sports game (1983), designed by Don Daglow and Eddie Dombrower and published by Mattel for the Intellivision Entertainment Computer System

Aquatic sports FINA Diving World Series FINA Marathon Swim World Series FINA Artistic Swimming World Series (for synchronized swimming)

Auto racing Champ Car World Series World Series by Renault, formerly called the World Series by Nissan

Card games World Series of Blackjack, a televised blackjack tournament created and produced by the cable network GSN World Series of Poker, a world-renowned series of poker tournaments held annually in Las Vegas and, since 2005, sponsored by Harrah's Entertainment

Cricket World Series Cricket, held from 1977–1979 World Series Cup, held from 1979–1996

Indoor sports World Series of Backgammon Heavyweight World Series, a series of professional boxing matches held in 1986 and 1987 Netball World Series, an international netball competition that was contested for the first time in October 2009 World Series of Darts (2006 tournament), a Professional Darts Corporation event in 2006 World Series of Darts, a Professional Darts Corporation series starting in 2013 World Series of Beer Pong, the largest Beer pong tournament in the world in number of participants and cash prizes offered World Series of Boxing (WSB) is an international boxing competition for amateur boxers World Series of Snooker, an international snooker tournament series

Other contests ATP World Series, original name for the ATP International Series in men's tennis World Club Series, annual rugby league test series between clubs from the Australasian National Rugby League and Super League World Rugby Sevens Series, a series of men's rugby tournaments World Rugby Women's Sevens Series, a series of women's rugby tournaments World Series of Football (1902–03), a series of football games played indoors at New York's Madison Square Garden in 1902 and 1903 World Series of Football (1950), the unified championship of the National Football League and All-America Football Conference NEC World Series of Golf, a former PGA Tour event World Series of Golf (unofficial event), an annual golf competition The World Series of Pop Culture, a VH1 game show tournament program sponsored by Alltel Wireless, based on Entertainment Weekly's Pop Culture Quiz World Series of Soccer, initially a series of senior international soccer matches held by USSF between 1991 and 1994 World Series Wrestling WUFA World Series

Miscellaneous World Series of Rock, a concert series World Series of Country Music Proudly Presents Stock Car Racing's Entertainers of the Year, a 1985 concept album featuring 22 NASCAR drivers

See also List of world sports championships World championship, the top achievement for any sport or contest World Championship Series (disambiguation) List of world cups