List of Famous people born on June 21st

Count Terashima Munenori was a diplomat in Meiji period Japan.

Michele Mary Smith is an American, former collegiate All-American, two-time medal-winning Olympian, international professional left-handed hitting fastpitch softball pitcher and current sports commentator, originally from Califon, New Jersey. Smith played her college career for the Oklahoma State Cowgirls for the years 1986–89, where she set numerous records in the now defunct Big Eight Conference. She is also a double Olympic Softball gold medalist with Team USA, having played in the 1996 and 2000 Summer Olympics. She has been ESPN's lead college softball color analyst since 1998. In 2012, Smith became the first woman to serve as commentator for a nationally televised Major League Baseball game. Smith is a USA Softball Hall of Fame honoree.

Hilding Constantin Rosenberg was the first Swedish modernist composer, and one of the most influential figures in Swedish 20th-century classical music.