Birthdays on 21 May
See also Deaths on 21 May
- Mutya Buena born 21 May 1985
- Ricky Williams born 21 May 1977
- Noel Fielding born 21 May 1973
- Paolo Montalban born 21 May 1973
- Chris Benoit born 21 May 1967
- Lisa Edelstein born 21 May 1967
- Judge Reinhold born 21 May 1957
- Mr. T born 21 May 1952
- Al Franken born 21 May 1951
- Joe Flaherty born 21 May 1941
- Robert Montgomery born 21 May 1904
