Authors Born on April 30
- H. V. Evatt Judge, 1894
- Ian Healy Cricketer, 1964
- Inga Cadranel Actress, 1978
- Jacqueline Winspear Writer, 1955
- Jacques Audiard Film Director, 1952
- James Marsh Film Director, 1963
- James McCloughan Soldier, 1946
- James Surowiecki Journalist, 1967
- Jane Campion Screenwriter, 1954
- Jang Wooyoung Singer, 1989
- Jill Clayburgh Actress, 1944
- John Boyne Novelist, 1971
- John Crowe Ransom Educator, 1888
- John Lubbock Banker, 1834
- Johnny Galecki Actor, 1975
- Jonathan Brownlee Athlete, 1990
- Kaspar Hauser Celebrity, 1812
- Katherine Amelia Towle Director, 1898
- Kerry Healey Politician, 1960
- Kirsten Dunst Actress, 1982
- Kunal Nayyar Actor, 1981
- Larry Niven Writer, 1938
- Lars von Trier Film Director, 1956
- Lindsay Pearce Actress, 1991
- Mac DeMarco Music Artist, 1990
- Michael Schulte Singer-Songwriter, 1990
- Naomi Novik Writer, 1973
- Olivia DeJonge Actress, 1998
- P. C. Cast Writer, 1960
- Percy Heath Jazz Musician, 1923
- Robert Thomas Velline Singer-Songwriter, 1943
- Sam Heughan Actor, 1980
- Sheldon Harnick Songwriter, 1924
- Simon Kuznets Economist, 1901
- Stephen Harper Politician, 1959
- Travis Scott Singer, 1992
- Wayne Kramer Musician, 1948
- William H. Calvin Neuroscientist, 1939
- William H. Schlesinger Biochemist, 1950
- William Overgard Painter, 1926