- Dec 4 Jimmy Bartel, Australian Rules Football utility and broadcaster (Brownlow Medal 2007; Norm Smith Medal 2011 AFL Premiership 2007, 09, 11, Geelong FC), born in Geelong, Australia
- Dec 6 Ashley Madekwe, English actress (Secret Diary of a Call Girl, Revenge), born in London, England
- Dec 10 Patrick Flueger, American actor
- Dec 15 Camilla Luddington, British-American actress (Grey's Anatomy - "Dr. Jo Wilson"), born in Ascot, England
- Dec 15 René Duprée [Goguen], Canadian professional wrestler, born in Moncton, New Brunswick
- Dec 16 Danielle Lloyd, English beauty queen, fashion model, and television personality, born in Liverpool, England
Jonah Hill (40 years old)
Dec 20 American actor (Superbad, Moneyball, The Wolf of Wall Street), born in Los Angeles, California
- Dec 20 Lara Stone, Dutch model, born in Geldrop, Netherlands
- Dec 20 Lucy Pinder, English model and actress, born in Hampshire, England
- Dec 21 Steven Yeun, Korean American actor (The Walking Dead; Minari), born in Seoul, South Korea
- Dec 22 Jennifer Hawkins, Australian Miss Universe, born in Holmesville, Australia
- Dec 28 Mike He, Taiwanese actor, born in Taiwan, Taiwan
About December 1983
How Old? 40 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Pig
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Actors
Actresses
Comedians
Directors
Models
TV Stars