- Dec 2 Graham Kavanagh, Irish soccer midfielder (16 caps, Rep of Ireland; Stoke City, Cardiff City), born in Dublin, Ireland
- Dec 2 Jan Ullrich, German road cyclist (Olympic gold road race 2000; Tour de France 1997; Vuelta a España 1999), born in Rostock, Germany
Monica Seles (50 years old)
Dec 2 Yugoslavian-American tennis player (9-time Grand Slam title champion), born in Novi Sad, Serbia
- Dec 4 Corliss Williamson, American basketball forward (NBA C'ship 2004, Detroit Pistons; NBA 6th Man of the Year 2002; NCAA Final 4 MOP 1994), born in Russellville, Arkansas
- Dec 4 Steven Menzies, Australian rugby league lock (13 Tests; NSW 20 games; Manly Sea Eagles), born in Sydney, Australia
- Dec 5 Corissa Yasen, American WNBA forward and guard (Sacramento Monarchs), born in Omaha, Nebraska
Terrell Owens (50 years old)
Dec 7 American Pro Football HOF wide receiver (5 × First-team All-Pro; 6 × Pro Bowl; 3 × NFL receiving TD leader; SF 49ers, Dallas Cowboys), born in Alexander City, Alabama
- Dec 8 Mitch Jacoby, American football tight end (St Louis Rams), born in Port Washington, Wisconsin
- Dec 9 Tony Batista, Dominican baseball infielder (Oakland A's), born in Puerto Plata, Dominican Republic
- Dec 10 Bernard Holsey, defensive tackle (NY Giants)
- Dec 10 Marcus Wall, CFL receiver (Montreal Alouettes)
- Dec 10 Rusty LaRue, NBA guard (Chicago Bulls)
- Dec 11 Erin Moorad, America pairs skater (with partner Richard Gillam), born in Chicago, Illinois
- Dec 11 Luke Casserly, Australian soccer defender (Olyroos, Olympics 1996), born in Sydney, Australia
- Dec 11 Ralph Intranuovo, Canadian NHL center (Edmonton Oilers), born in East York, Toronto, Ontario
- Dec 12 Michael Di Venuto, Australian cricketer (exciting Tasmanian batsman), born in Hobart, Tasmania, Australia
- Dec 12 Reinard Wilson, American football linebacker (Cincinnati Bengals), born in Gainesville, Florida
- Dec 12 Walter Otta, Argentine footballer (Blooming), born in Río Tercero, Argentina
- Dec 13 Shandon Anderson, American NBA forward (Utah Jazz), born in Atlanta, Georgia
- Dec 15 Tammy Pearman, American soccer defender (9 caps; NY Power FC), born in Brooklyn, New York
- Dec 17 Paula Radcliffe, English long-distance runner (marathon world record holder), born in Davenham, England
- Dec 18 Keith Washington, NFL defensive end (Minnesota Vikings, Baltimore Ravens)
- Dec 19 Zulfiya Zabirova, Uzbek road cyclist Olympic gold time trial 1996; UCI World C'ship gold 2002), born in Tashkent, Uzbekistan
- Dec 20 Cory Stillman, Canadian NHL center (Calgary Flames), born in Peterborough, Canada
- Dec 20 Jenny Boucek, WNBA guard (Cleveland Rockers), born in Nashville, Tennessee
- Dec 20 Muadianvita Kazadi, American football linebacker (St Louis Rams), born in Zaire
- Dec 21 Mike Alstott, American football fullback (Tampa Bay Buccaneers), born in Joliet, Illinois
- Dec 22 Annie Pelletier, Canadian diver (Olympic bronze 1996), born in Montreal, Quebec
- Dec 22 Jamel Williams, American football safety (Washington Redskins), born in Gary, Indiana
- Dec 23 Tony Graziani, American football quarterback (Atlanta Falcons), born in Las Vegas, Nevada
- Dec 24 Eddie Pope, soccer defender (Olympic gold 1996), born in Greensboro, North Carolina
- Dec 26 Ryan Berube, American 800m freestyle relay (Olympic gold 1996), born in Tequesta, Florida
- Dec 26 Steve Prescott, English rugby league fullback (2 Tests England, 4 Ireland; St. Helens RLFC, Hull RLFC, Wakefield Trinity RLFC), born in St. Helens, England (d. 2013)
- Dec 29 Theo Epstein, American baseball executive and President of Baseball Operations, born in New York City
- Dec 29 Tomas Perez, Barquisimeto Venezuela, infielder (Toronto Blue Jays), born in Lara, Venezuela
- Dec 30 Ato Boldon, Trinidadian athlete
- Dec 30 Don Reid, NBA guard/forward (Detroit Pistons)
- Dec 31 Curtis Myden, Canadian swimmer (Olympic bronze 400m medley 1996, 2000; 200m medley 1996), born in Calgary, Alberta
About December 1973
How Old? 50 years old
Generation: Generation X
Leap Year: No
Chinese Zodiac: Ox
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)