- Dec 1 Todd Steussie, American football guard / tackle (Pro Bowl & Second-team All-Pro 1997, 98; Minnesota Vikings), born in Canoga Park, California
- Dec 2 Alex Čejka, Czech-German golfer (Tradition, PGA Senior C'ship 2021, British Senior Open 2023), born in Mariánské Lázně, Czech Republic
- Dec 2 Maksim Tarasov, Russian pole vaulter (Olympic gold 1992; World C'ship gold 1999), born in Yaroslavl, Russia
- Dec 3 Christian Karembeu, French soccer midfielder (53 caps; Nantes, Olympiacos), born in Lifou, New Caledonia
- Dec 3 Laura Schuler, Canadian ice hockey forward and coach (World C'ship gold 1990, 92, 97; coach Dartmouth College), born in Scarborough, Ontario
- Dec 3 Lindsey Hunter, American basketball guard (NBA C'ship 2002, 04; LA Lakers, Detroit Pistons), born in Utica, Mississippi
- Dec 3 Paul Byrd, American baseball pitcher and broadcaster (MLB All Star 1999; Philadelphia Phillies; Fox Sports Southeast), born in Louisville, Kentucky
- Dec 4 Jeff Blake, American NFL quarterback (Pro Bowl 1995; Cincinnati Bengals), born in Daytona Beach, Florida
- Dec 5 Susan Sloane, American tennis star, born in Lexington, Kentucky
- Dec 5 Thomas Smith, American NFL cornerback (Buffalo Bills), born in Gates, North Carolina
- Dec 6 Eric Mahlum, American NFL guard (Indianapolis Colts), born in San Diego, California
- Dec 6 Isabelle Arnould, Belgian swimmer, born in Liège, Belgium
- Dec 7 Courtney Browne, West Indian cricket wicket-keeper (20 Tests, 81 dismissals, 1 x 50; Barbados), born in London, England
- Dec 9 Marlin Cannon, American 200m/400m runner, born in Dallas, Texas
- Dec 10 Bryant Stith, American NBA guard (Denver Nuggets), born in Emporia, Virginia
- Dec 11 Danan Hughes, American NFL wide receiver (KC Chiefs), born in Bayonne, New Jersey
- Dec 11 Doug Nussmeier, American NFL quarterback (New Orleans Saints), born in Portland, Oregon
- Dec 11 Errict Rhett, American NFL running back (Tampa Bay Bucs), born in Pembroke Pines, Florida
- Dec 12 Abderrahim Ouakili, Moroccan soccer midfielder (11 caps; Mainz 05, 1860 Munich, Tennis Borussia Berlin, Karlsruher SC), born in Rabat, Morocco (d. 2023)
- Dec 12 Ivano Newbill, American NBA center (Vancouver Grizzlies), born in Sedalia, Missouri
- Dec 12 Orlando Brown, American NFL tackle (Cleveland Browns, Baltimore Ravens), born in Washington, D.C.
- Dec 13 Basit Ali, Pakistani cricketer (exciting Pakistani batsman), born in Karachi, Sindh
- Dec 14 Bradford Banta, American NFL tight end (Indianapolis Colts), born in Baton Rouge, Louisiana
- Dec 15 Frankie Dettori, Italian jockey (20 x English classics; 3 x GB flat racing champion jockey; rode all 7 winners British Champions' Day Ascot 1996; 6 x Prix de l'Arc de Triomphe), born in Milan, Italy
- Dec 17 Michael Mols, soccer player (FC Twente)
- Dec 19 Robert Lang, Czech ice hockey center (Olympic gold 1998; World C'ship gold 1996; NHL All-Star 2004; LA Kings, Pittsburgh Penguins, Detroit RWs), born in Teplice, Czech Republic
- Dec 20 Grant Flower, Zimbabwean cricketer, born in Harare, Zimbabwe
- Dec 20 Tony Semple, NFL guard (Detroit Lions), born in Springfield, Illinois
- Dec 20 Travis Green, Canadian NHL center (NY Islanders; Toronto Maple Leafs; World C'ship gold 1997) and coach (Vancouver Canucks), born in Castlegar, Canada
- Dec 21 Monique Ambers, WNBA forward (Phoenix Mercury)
- Dec 22 Gary Anderson, Scottish darts player (PDC World Champion 2015-16), born in Musselburgh, Scotland
- Dec 24 Michael Batiste, NFL/WLAF defensive tackle (Cowboys, Frankfurt Galaxy), born in Los Angeles, California
- Dec 24 Romeo Wouden, Dutch soccer player (Dordrecht '90, Heerenveen), born in Amsterdam, Netherlands
- Dec 26 Radka Zrubakova, Slovakian tennis star (1994 Futures-GER), born in Bratislava, Slovakia
- Dec 26 Willie Williams, NFL cornerback (Pittsburgh Steelers, Seahawks), born in England, United Kingdom
- Dec 27 Lorenzo Neal, NFL fullback (New Orleans Saints, NY Jets)
- Dec 28 Brenda Schultz-McCarthy, Dutch tennis player (95, 96 Oklahoma City), born in Haarlem, Netherlands
- Dec 28 James Jett, US Olympic sprinter and NFL wide receiver (Oakland Raiders), born in Charles Town, West Virginia
- Dec 29 Hidetoshi Mitsusada, Japanese racing driver, born in Osaka, Japan
- Dec 30 Grant Carter, CFL defensive end (Winnipeg Blue Bombers)
About December 1970
How Old? 53 years old
Generation: Generation X
Leap Year: No
Chinese Zodiac: Dog
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions