Authors born in 1940
- Bernd Heinrich Professor, 1940
- Bharati Mukherjee Writer, 1940
- Bijan Pakzad Designer, 1940
- Bill Hunter Actor, 1940
- Bill Jay Photographer, 1940
- Bill Knott Poet, 1940
- Bill Kurtis Journalist, 1940
- Bill McCartney Football Player, 1940
- Bill Medley Singer, 1940
- Bill Musselman Coach, 1940
- Bill Press Radio Host, 1940
- Billy Packer Sportscaster, 1940
- Bob Altemeyer Professor, 1940
- Bob Dwyer Coach, 1940
- Bob Porter Record Producer, 1940
- Bobbie Ann Mason Novelist, 1940
- Bobby Bell Football Player, 1940
- Bobby Hatfield Singer, 1940
- Bobby Knight Basketball Coach, 1940
- Bokar Rinpoche Buddhist, 1940
- Bonnie Lowenthal Politician, 1940
- Brad Blanton Author, 1940
- Brian De Palma Film Director, 1940
- Brian Josephson Physicist, 1940
- Brian O'Leary Author, 1940
- Brooksley Born Attorney At Law, 1940
- Bruce Beresford Film Director, 1940
- Bruce Chatwin Writer, 1940
- Bruce Lee Actor, 1940
- Bruce Vento Politician, 1940
- Bruce Wilkinson Scholar, 1940
- Burt Prelutsky Screenwriter, 1940
- Burt Young Actor, 1940
- Candi Staton Musician, 1940
- Carl Holmes Politician, 1940
- Carl Magnusson Designer, 1940
- Carlos F. Lucero Judge, 1940
- Carlos Slim Business Magnate, 1940
- Carole Ann Ford Actress, 1940
- Carolyn Rodgers Writer, 1940