Authors Born on December 20
- Harvey S. Firestone Businessman, 1868
- Ike Skelton Politician, 1931
- Irene Dunne Film Actor, 1898
- Jenny Agutter Actress, 1952
- Jerry Perenchio Businessman, 1930
- Jillian Rose Reed Actress, 1991
- Joe Cornish Comedian, 1968
- Joel Gretsch Actor, 1963
- John Spencer Actor, 1946
- JoJo Singer-Songwriter, 1990
- Jonah Hill Actor, 1983
- Kate Atkinson Screenwriter, 1951
- Kathryn Joosten Actress, 1939
- Keith Wilder Singer, 1951
- Kim Ki-duk Film Maker, 1960
- Kim Weston Singer, 1939
- Kim Young-sam Politician, 1927
- Kylian Mbappe Football Player, 1998
- Lara Stone Model, 1983
- Leon Gorman Businessman, 1934
- M. J. Ryan Author, 1952
- Martyn Lloyd-Jones Minister, 1899
- Max Lerner Journalist, 1902
- Mike Watt Bassist, 1957
- Morrie Schwartz Author, 1916
- Nalo Hopkinson Writer, 1960
- Neil Lowe Rugby Union Player, 1978
- Nicholas Eberstadt Economist, 1955
- Nick Damici Actor, 1959
- Ramon Rodriguez Actor, 1979
- S.G. Browne Author, 1965
- Sandra Cisneros Author, 1954
- Sidney Hook Philosopher, 1902
- Susanne Langer Philosopher, 1895
- Uri Geller Psychic, 1946
- Vali Nasr Author, 1960
- Vik Muniz Photographer, 1961
- William Julius Wilson Sociologist, 1935
- Winston Marshall Musician, 1987
- Yamini Krishnamurthy Dancer, 1940