- Dec 1 Rizwan "Riz" Ahmed, British-Pakistani actor (The Night Of), rapper (Swet Shop Boys) and activist, born in Wembley, London
- Dec 2 Pizon [Michael Scala], Italian-American rapper and producer, born in Queens, New York
- Dec 3 Jaycee Chan, American-born Hong Kong singer and actor, born in Los Angeles, California
- Dec 3 Michael Essien, Ghanaian soccer midfielder (58 caps; Chelsea, Lyon), born in Accra, Ghana
- Dec 4 Ho-Pin Tung, Dutch-Chinese auto racer (FIA World Endurance C'ship 2017, 18-19, 19-20 runner-up), born in Velp, Netherlands
- Dec 4 Waldo Ponce, Chilean soccer defender (42 caps; Universidad de Chile), born in Los Andes, Chile
- Dec 5 Keri Hilson, American singer and songwriter (The Way I Are), born in Decatur, Georgia
- Dec 5 Trai Essex, American football player, born in Fort Wayne, Indiana
- Dec 6 Alberto Contador, Spanish cyclist and Tour de France winner (2007, 09), born in Pinto, Madrid, Spain
- Dec 6 Robbie Gould, American football player (San Francisco 49ers), born in Jersey Shore, Pennsylvania
- Dec 6 Sean Ervine, Zimbabwean cricketer (played for Zimbabwe in the 2003 Cricket World Cup), born in Harare, Zimbabwe
- Dec 8 Chrisette Michele [Payne], American R&B and soul singer-songwriter ("Be OK"; "Epiphany"), born in Central Islip, New York,
- Dec 8 Dee Dee Trotter, American athlete, born in California, United States
- Dec 8 Halil Altintop, German-born Turkish football player (identical twin brother of Hamit Altintop), born in Gelsenkirchen, Germany
- Dec 8 Hamit Altintop, German-born Turkish football player (identical twin brother of Halil Altintop), born in Gelsenkirchen, Germany
Nicki Minaj (40 years old)
Dec 8 Trinidadian-American rapper and singer (Super Bass, Starships), born in Saint James, Port of Spain, Trinidad and Tobago
- Dec 8 Noelle Pikus-Pace, American skeleton racer, born in Provo, Utah
- Dec 9 Nathalie De Vos, Belgian athlete, born in Ghent, Belgium
- Dec 9 Tamilla Abassova, Russian cyclist, born in Moscow, Russia
- Dec 9 Vincent Accardi, American rock guitarist (Brand New), born in Wantagh, New York
- Dec 10 Matt Stutzman, American archer (WR longest accurate shot in archery - despite having no arms), born in Kansas City, Kansas
- Dec 10 Shilpa Anand, Indian film and television actress
- Dec 10 Tim Deegan, Canadian MuchMusic VJ, born in Oshawa, Ontario
- Dec 11 Pablo Pérez Companc, Argentine racing driver, born in Buenos Aires, Argentina
- Dec 12 Dmitry Tursunov, Russian tennis player, born in Moscow
- Dec 13 Anthony Callea, Australian singer and songwriter, born in Melbourne, Victoria, Australia
- Dec 13 Dominik Werling, German footballer, born in Ludwigshafen, Germany
- Dec 13 Ricky Nolasco, American baseball player, born in Corona, California
- Dec 13 Tuka Rocha, Brazilian racing driver, born in São Paulo, Brazil
- Dec 14 Anthony Way, English singer and actor, born in London
- Dec 14 Josh Fields, American baseball player, born in Ada, Oklahoma
- Dec 14 Steve Sidwell, English footballer, born in Wandsworth, England
Charlie Cox (40 years old)
Dec 15 English actor (Daredevil, The Theory of Everything, Boardwalk Empire), born in London
- Dec 16 Antrel Rolle, National Football League defensive back
- Dec 16 Garnon Davies, Welsh actor
- Dec 17 Craig Kielburger, Canadian labour activist
- Dec 17 Josh Barfield, American baseball player
- Dec 17 Onur Ozsu, Turkish music artist, born in Izmir
- Dec 17 Ryan Moats, National Football League runningback
- Dec 17 Stephane Lasme, Gabonese basketball player
- Dec 18 Dave Luetkenhoelter, American Christian-rock bassist (Kutless, 2005-13), born in Medford, Oregon
- Dec 19 Mo Williams, American basketball point guard (NBA C'ship 2016, NBA All Star 2009 Cleveland Cavaliers) and coach (Alabama State), born in Jackson, Mississippi
- Dec 19 Tero Pitkamaki, Finnish javelin thrower
- Dec 20 David Cook, American singer and American Idol winner, born in Houston, Texas
- Dec 20 David Wright, American baseball player (New York Mets), born in Norfolk, Virginia
- Dec 20 Kasper Klausen, Danish footballer, born in Denmark
- Dec 20 Mohammed Asif, Pakistani cricket player, born in Sheikhupura, Pakistan
- Dec 21 Erica America Hayden, American journalist and radio personality, born in Long Island, New York
- Dec 21 Iljo Keisse, Belgian cyclist, born in Ghent, Belgium
- Dec 21 Mike Gansey, American basketball player, born in Olmsted Falls, Ohio
- Dec 21 Philip Humber, American baseball player, born in Nacogdoches, Texas
- Dec 24 Aiba Masaki, Japanese singer & actor, born in Chiba, Japan
- Dec 24 Robert Schwartzman, American actor & musician, born in Los Angeles, California
- Dec 25 Shawn Andrews, American football offensive lineman (Pro Bowl 2006, 07; First-team All-Pro 2006; Philadelphia Eagles), born in Littleton, Massachusetts
- Dec 25 Shystie [Chanel Cali], British rapper-songwriter, born in London Borough of Hackney, United Kingdom
- Dec 26 Kenneth Darby, American National Football League player, born in Huntsville, Alabama
- Dec 26 Oguri Shun, Japanese actor & model, born in Tokyo, Japan
- Dec 27 James Mead, American Christian rock guitarist (Kutless), born in Danbury, Connecticut
- Dec 27 Terji Skibenæs, Faroese guitarist, (Týr), born in Skipanes, Faroe Islands
- Dec 28 Cedric Benson, American football player, born in Midland, Texas
- Dec 28 François Gourmet, Belgian decathlete, born in Libramont-Chevigny, Belgium
- Dec 28 Kevin Pereira, American television host, born in Rochester, Michigan
Alison Brie (40 years old)
Dec 29 American actress (Community, GLOW), born in Los Angeles, California
- Dec 29 Gabrielle Destroismaisons, Québécois singer, born in Québec, Canada
- Dec 30 Dathan Ritzenhein, American runner
- Dec 30 Dawan Landry, American football player
- Dec 30 Kristin Kreuk, Canadian actress
- Dec 30 Wesley Schultz, American guitarist, vocalist, and songwriter (The Lumineers - "Submarines"), born in Ramsey, New Jersey
- Dec 31 Craig Gordon, Scottish soccer goalkeeper (70 caps; Hearts, Sunderland, Celtic; SFWA Footballer of the Year 2006, 15, 22), born in Edinburgh, Scotland
- Dec 31 Julio DePaula, Dominican baseball player, born in Santo Domingo, Dominican Republic
- Dec 31 Luke Schenscher, Australian basketball player, born in South Australia, Australia
About December 1982
How Old? 40 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Dog
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)