- Jan 16 Garth Ennis, Irish comic book author
- Jan 17 Genndy Tartakovsky, Russian-born animator
- Jan 17 James Wattana, Thai snooker player
- Jan 22 Alex Ross, American comic book painter (Marvels, Kingdom Come)
- Jan 27 Carlos Javier Bernardo, Dutch prince
- Jan 27 Emmanuel Pahud, French-Swiss flautist
- Jan 29 Paul Ryan, US politician (R-Wisconsin) and Speaker of the House (2015-), born in Janesville, Wisconsin