Authors Born on July 30
- Abdullah ibn Alawi al-Haddad Activist, 1634
- Addison Webster Moore Philosopher, 1866
- Adriano Galliani Football Manager, 1944
- Alexander Trocchi Novelist, 1925
- Alton Brown Actor, 1962
- Aml Ameen Actor, 1985
- Anita Hill Academic, 1956
- Ann Brashares Writer, 1967
- Anne Fausto-Sterling Biologist, 1944
- April Bowlby Actress, 1980
- Arnold Schwarzenegger Actor, 1947
- Barbara Kopple Film Producer, 1946
- Betye Saar Artist, 1926
- Bill Cartwright Basketball Player, 1957
- Bob Barton Baseball Player, 1941
- Brian Boyd Professor, 1952
- Brother Ali Rapper, 1977
- Bud Selig Baseball Manager, 1934
- Buddy Guy Guitarist, 1936
- C. Northcote Parkinson Historian, 1909
- C. T. Vivian Minister, 1924
- Cady Groves Singer, 1989
- Caridad Svich Dramaturge, 1963
- Casey Stengel Baseball Player, 1890
- Celeste Ng Writer, 1980
- Charles Chiniquy Priest, 1809
- Christine Taylor Actress, 1971
- Christopher Nolan Film Director, 1970
- Clementa C. Pinckney Politician, 1973
- Clive Sinclair Entrepreneur, 1940
- Clotilde Hesme Actress, 1979
- Daley Thompson Athletics Competitor, 1958
- Dave Riley Musician, 1960
- David Berglas Magician, 1926
- David Sanborn Saxophonist, 1945
- Delta Burke Actress, 1956
- Dennis Richardson Attorney At Law, 1949
- Derek Waters Actor, 1979
- E. Haldeman-Julius Publisher, 1889
- Ed Bliss Journalist, 1912