Birthdays on 21 August
See also Deaths on 21 August
- Hayden Panettiere born 21 August 1989
- Alizee born 21 August 1984
- Kimberly Stewart born 21 August 1979
- Kelis born 21 August 1979
- Alicia Witt born 21 August 1975
- Amy Fisher born 21 August 1974
- Craig Counsell born 21 August 1970
- Barbara Moore born 21 August 1968
- Carrie-Anne Moss born 21 August 1967
- Serj Tankian born 21 August 1967
- Taylor Negron born 21 August 1958
- Kim Cattrall born 21 August 1956
- Peter Weir born 21 August 1944
- Clarence Williams III born 21 August 1939
- Wilt Chamberlain born 21 August 1936
- Count Basie born 21 August 1904
