Authors Born on January 15
- Franz Grillparzer Writer, 1791
- Gamal Abdel Nasser Politician, 1918
- Gene Krupa Actor, 1909
- George Cadle Price Statesman, 1919
- Ivor Novello Composer, 1893
- J. Edwin Orr Professor, 1912
- James Nesbitt Actor, 1965
- Jamie Clayton Actress, 1978
- Jenny Nimmo Author, 1944
- Jessy Schram Actress, 1986
- John Naisbitt Author, 1929
- Jon Lee Anderson Biographer, 1957
- Jordi Bertomeu Chief Executive Officer, 1959
- Josh Gondelman Author, 1985
- Kane Morgan Athlete, 1990
- Kelly Asbury Film Director, 1960
- Kim Min-jun Singer, 1988
- L. Brent Bozell, Jr. Writer, 1926
- Lloyd Bridges Film Actor, 1913
- Margaret Beckett Politician, 1943
- Margaret O'Brien Stage Actor, 1937
- Maria Schell Actress, 1926
- Mario Van Peebles Film Director, 1957
- Martin Chalfie Scientist, 1947
- Martin Luther King, Jr. Baptist, 1929
- Mary Pierce Tennis Player, 1975
- María del Rosario Pilar Martínez Molina Baeza Actress, 1951
- Matt Holliday Baseball Player, 1980
- Maurice Herzog Mountaineer, 1919
- Moliere Playwright, 1622
- Moza bint Nasser Royalty, 1959
- Nazim Hikmet Poet, 1902
- Neil Balme Football Player, 1952
- Neil Nitin Mukesh Actor, 1982
- Pete Waterman Record Producer, 1947
- Pierre-Joseph Proudhon Economist, 1809
- Pitbull Rapper, 1981
- R. B. Braithwaite Philosopher, 1900
- Rachel Roy Fashion Designer, 1974
- Regina King Actress, 1971