Birthdays on 21 December
See also Deaths on 21 December
- Lukas Rossi born 21 December 1976
- Julie Delpy born 21 December 1969
- Kiefer Sutherland born 21 December 1966
- Andy Dick born 21 December 1965
- Nick Park born 21 December 1958
- Ray Romano born 21 December 1957
- Chris Evert born 21 December 1954
- Joan Armatrading born 21 December 1950
- Samuel Jackson born 21 December 1948
- Frank Zappa born 21 December 1940
- Jane Fonda born 21 December 1937
- Phil Donahue born 21 December 1935
- Joe Paterno born 21 December 1926
- Vampira born 21 December 1921
- Walter Hagen born 21 December 1892
