- Dec 3 Brian Bonsall, actor (Family Ties, Star Trek Next Generation)
- Dec 5 Leila Tong, Hong Kong actress (The Last Breakthrough), born in Hong Kong
- Dec 9 Diya Mirza, Indian actress, born in Hyderabad, India
- Dec 11 Hamish Blake, Australian comedian, born in Melbourne, Australia
- Dec 13 Chelsea Hertford, American actress (Major Dad)
- Dec 14 Amber Chia, Malaysian model and actress, born in Teluk Intan, Perak, Malaysia
- Dec 14 Johnny Jeter, American professional wrestler, born in San Diego, California
- Dec 15 Brendan Fletcher, Canadian actor The Law of Enclosures), born in Comox Valley, British Columbia
- Dec 15 Michelle Dockery, English actress (Downton Abbey), born in London, England
- Dec 16 Anna Sedokova, Ukrainian pop singer (Nu Virgos), and actress, born in Kiev, Ukrainian SSR, USSR
Krysten Ritter (42 years old)
Dec 16 American actress (Jessica Jones, Veronica Mars) and model, born in Bloomsburg, Pennsylvania
- Dec 21 Frankie Abernathy, American actress (The Real World: San Diego), born in Kansas City, Missouri (d. 2007)
- Dec 23 Beth [Elisabeth Rodergas Cols], Spanish singer and actress, born in Súria, Catalonia
- Dec 24 Dima Bilan, Russian actor and singer-songwriter, born in Ust-Dzheguta, Russia
- Dec 25 Katie Wright, American actress, born in Kansas City, Missouri
- Dec 27 Emilie de Ravin, Australian actress (Once Upon A Time), born in Mount Eliza, Victoria, Australia
- Dec 27 Jay Ellis, American actor (Insecure), born in Sumter, South Carolina
- Dec 28 Sienna Miller, British actress, born in New York City
- Dec 31 Matthew Pavlich, Australian Football HOF utility (6 × All-Australian; 6 × Doig Medallist, 353 games, 700 goals Fremantle FC) and broadcaster (Fox Sports), born in Adelaide, Australia
About December 1981
How Old? 42 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Rooster
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Actors
Actresses
Comedians
Directors
Models
TV Stars