Authors Born on August 9
- Romano Prodi Statesman, 1939
- S. R. Ranganathan Mathematician, 1892
- Sam Elliott Character Actor, 1944
- Sarah McBride Activist, 1990
- Satish Kumar Activist, 1936
- Tyson Gay Sprinter, 1982
- Vivek Ramaswamy Entrepreneur, 1985
- Whitney Houston Singer, 1963
- William G. Taylor Sailor, 1829
- William M. Daley Lawyer, 1948
- William Thomas Green Morton Dentist, 1819
- Willian Football Player, 1988
- Yekaterina Samutsevich Activist, 1982