Authors Born on April 4
- A. Bartlett Giamatti University Teacher, 1938
- Abdullah Ocalan Politician, 1947
- Ali Babacan Politician, 1967
- Allan A. Lamport Politician, 1903
- Allan Lichtman Historian, 1947
- Amanda Righetti Actress, 1983
- Andrei Tarkovsky Film Maker, 1932
- Andrew Lau Film Director, 1960
- Anita Renfroe Comedian, 1962
- Anthony Perkins Actor, 1932
- Anthony Ward Clark Actor, 1964
- Antony Tudor Ballet Master, 1908
- Arthur Murray Ballet Dancer, 1895
- Austin Mahone Singer-Songwriter, 1996
- Barry Pepper Actor, 1970
- Bassam Tibi Political Scientist, 1944
- Benjamin Peirce Mathematician, 1809
- Benny Green Pianist, 1963
- Bijan Pakzad Designer, 1940
- Blake Williams Motorcycle Racer, 1985
- Bobby Ray Inman Military Personnel, 1931
- Carmel Myers Actress, 1899
- Cherie Lunghi Actress, 1952
- Christine Lahti Actress, 1950
- Clive Davis Record Producer, 1932
- Comte de Lautreamont Poet, 1846
- Craig T. Nelson Actor, 1944
- Dan Patrick Politician, 1950
- Dan Simmons Writer, 1948
- Daniela Bobadilla Actress, 1993
- David Blaine Illusionist, 1973
- David Cross Comedian, 1964
- David E. Kelley Screenwriter, 1956
- David White Actor, 1916
- Deborah Birx Physician, 1956
- Delphine Arnault Businesswoman, 1975
- Dennis L. McKiernan Writer, 1932
- Dorothea Dix Activist, 1802
- Edith Södergran Poet, 1892
- Elie Faure Historian, 1873