Athletics
- Mario Ančić (LL.M. candidate), former Croatian professional tennis player
- Mark Attanasio (1982), investment banker and owner of the Milwaukee Brewers (since 2004, incumbent as of 2006)
- Lou Bender (1935), pioneer player with the Columbia Lions and in early pro basketball, who was later a successful trial attorney.
- Moe Berg (1930), catcher for the Brooklyn Robins (1923), Chicago White Sox (1926–1930), Cleveland Indians (1931, 1934), Washington Senators (1932–34) and Boston Red Sox (1935–39); able to speak 12 languages; spy for the OSS; according to Casey Stengel, "the strangest man ever to play Major League Baseball"
- David Mark Berger (1970), winner of NCAA weightlifting title in the 148 pound-class, winner of the gold medal in the middleweight weight-lifting contest at the 1969 Maccabiah Games, winner of a silver medal at the 1971 Asian Games in weightlifting, and member of the 1972 Israeli Olympic team who was murdered during the Munich Massacre at the 1972 Munich Summer Olympics.
- Roland W. Betts (1978), investor, film producer, lead owner in George W. Bush's Texas Rangers partnership (1989–1998), and developer and owner of Chelsea Piers (since 1989, incumbent as of 2006)
- Alan N. Cohen (1954), chairman and CEO of the Madison Square Garden Corporation (1974–77), principal owner of the New Jersey Nets, and principal owner of the Boston Celtics (1983–2004)
- Caryn Davies (Class of 2013), American rower; gold medals, 2012 Summer Olympics and 2008 Summer Olympics; silver medal, 2004 Summer Olympics
- Leo Fishel (1900), former pitcher in Major League Baseball
- Gary Goldring (1982), part-owner of the Tampa Bay Rays
- Stan Kasten (1976), President (2003-) of the MLB Washington Nationals; President (1986–2003) of the MLB Atlanta Braves; President (1986–2003) and General Manager (1979–1990) of the NBA Atlanta Hawks; President (1999–2003) of the NHL Atlanta Thrashers
- Walter O'Malley (transferred from), owned the Brooklyn/Los Angeles Dodgers team in Major League Baseball from 1950 to 1979
- Alison Ressler (1983), part-owner of the Milwaukee Brewers
- Richard Ressler (1983), part-owner of the Milwaukee Brewers
- Paul Robeson (1923), All-American Athlete
- David Stern (1966), NBA Commissioner (1984–present)
- Marc Stern (1969), part-owner of the Milwaukee Brewers
- John Montgomery Ward (1883), played baseball for the Providence Greys (1878–82), New York Giants (1883–89, 1893–94), Brooklyn's Ward Wonders (1890) and Brooklyn Grooms (1890–91); president of the Boston Braves (1911–12); advocate for player's rights; member of the Baseball Hall of Fame (1964)
- Mark Weldon (1997), member of the New Zealand men's swim team at the 1992 Summer Olympics in Barcelona; CEO, New Zealand Stock Exchange; in 2007, rated 25th on New Zealand Listener Power List of the 50 most powerful people in New Zealand
Read more about this topic: List Of Columbia Law School Alumni