Authors born in 1973
- A. Jay Popoff Lead Vocalist, 1973
- A. Lee Martinez Author, 1973
- Aaron John Boone Baseball Player, 1973
- Abdellah Taia Writer, 1973
- Abe Cunningham Musician, 1973
- Adam David "Atom" Willard Drummer, 1973
- Adam Garcia Actor, 1973
- Adam Gardner Guitarist, 1973
- Adam Giles Politician, 1973
- Adam Rex Illustrator, 1973
- Adam Scott Academic, 1973
- Adam Werbach Author, 1973
- Adrien Brody Actor, 1973
- Ahmed Best Voice Actor, 1973
- Aishwarya Rai Bachchan Actress, 1973
- Ajit Pai Director, 1973
- Akon Singer-Songwriter, 1973
- Al-Saadi Gaddafi Football Player, 1973
- Alan Sepinwall Writer, 1973
- Alan Wilson Politician, 1973
- Alante Kavaite Film Maker, 1973
- Aleksey Igudesman Musician, 1973
- Alex Berenson Reporter, 1973
- Alex Kurtzman Director, 1973
- Alexandra Kerry Film Maker, 1973
- Alexi Murdoch Musician, 1973
- Ali Landry Model, 1973
- Alison King Actress, 1973
- Allison Winn Scotch Author, 1973
- Amr Waked Actor, 1973
- Amy Miller Comedian, 1973
- Amy Robach Journalist, 1973
- Amy Sherald Painter, 1973
- Amy Van Dyken Swimmer, 1973
- Anand Neelakantan Author, 1973
- Anders Björler Musician, 1973
- Andre Ovredal Film Director, 1973
- Andrea Savage Actress, 1973
- Andrew Bird Violinist, 1973
- Andrew Haigh Film Director, 1973