- Dec 2 Abdul Razzaq, Pakistan cricket all-rounder (46 Tests, top score 134, 100 wickets; 265 ODIs), born in Lahore, Punjab, Pakistan
- Dec 4 Jay DeMerit, American soccer defender (25 caps; Watford, Vancouver Whitecaps FC), born in Green Bay, Wisconsin
- Dec 5 Gareth McAuley, Northern Irish footballer (Rangers), born in Larne, Northern Ireland
- Dec 5 Matteo Ferrari, Italian soccer defender (11 caps; Parma, Roma, Genoa, Beşiktaş), born in Aflou, Algeria
- Dec 5 Niklas Hagman, Finnish ice hockey player, born in Espoo, Finland
- Dec 6 Tim Cahill, Australian soccer forward (108 caps, 50 goals; Everton), born in Sydney, New South Wales
- Dec 7 Lampros Choutos, Greek footballer, born in Athens, Greece
- Dec 8 Christian Wilhelmsson, Swedish footballer, born in Malmö Municipality, Sweden
- Dec 8 Daniel Fitzhenry, Australian rugby league footballer, born in Macksville, Australia
- Dec 9 Stephen McPhail, Irish footballer, born in City of Westminster, London
- Dec 12 Nate Clements, American football player, born in Shaker Heights, Ohio
- Dec 14 Kyle Shanahan, American NFL coach (San Francisco 49ers 2017-20), born in Minneapolis, Minnesota
- Dec 14 Michael Owen, English footballer, 1996-2013 (Liverpool; New Castle United; and 3 other teams), sports commentator, and racehorse breeder, born in Chester, England
- Dec 16 Trevor Immelman, South African golfer (US Masters 2008), born in Cape Town, Western Cape
- Dec 17 Matt Murley, American NHL ice hockey player (Pittsburgh Penguins, Phoenix Coyotes), born in Troy, New York
- Dec 20 David DeJesus, American baseball player, born in Brooklyn, New York
- Dec 20 Michael Rogers, Australian cyclist, born in Barham, Australia
- Dec 23 Kenny Miller, Scottish football player, born in Edinburgh, United Kingdom
- Dec 23 Scott Gomez, American ice hockey player, born in Anchorage, Alaska
- Dec 26 Dimitry Vassiliev, Russian ski jumper, born in Ufa, Russia
- Dec 26 Fabián Carini, Uruguayan footballer, born in Montevideo, Uruguay
- Dec 27 Carson Palmer, American NFL quarterback (Heisman Trophy 2002, USC; Pro Bowl 2005, 06, 15; Cincinnati Bengals, Arizona Cardinals), born in Fresno, California
- Dec 27 David Dunn, English footballer
- Dec 28 Bill Hall, American baseball player, born in Nettleton, Mississippi
James Blake (44 years old)
Dec 28 American tennis player, born in Yonkers, New York City
- Dec 29 Mitsuhiro Ishida, Japanese mixed-martial arts fighter, born in Ibaraki Prefecture, Japan
- Dec 30 Flávio, Angolan footballer
About December 1979
How Old? 44 years old
Generation: Generation X
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions