- Dec 1 Andrew Tate, American-British media personality and kickboxer, born in Washington D.C.
- Dec 1 DeSean Jackson, American NFL wide receiver (Pro Bowl 2009-10, 13; Philadelphia Eagles), born in Los Angeles, California
- Dec 2 Claudiu Keșerü, Romanian soccer forward (37 caps; FC Nantes, Steaua București), born in Oradea, Romania
- Dec 6 Matt Niskanen, American NHL player (Philadelphia Flyers), born in Virginia, Minnesota
- Dec 7 Billy Horschel, American golfer (FedEx Cup 2014, 5 PGA Tour titles), born in Grant, Florida
- Dec 8 Amir Khan, English boxer, born in Bolton, United Kingdom
- Dec 12 Përparim Hetemaj, Finnish footballer, born in Srbica, SFR Yugoslavia
- Dec 15 Keylor Navas, Costa Rican soccer goalkeeper (100 caps 2021; Lavante UD, Real Madrid, Paris Saint-Germain), born in Pérez Zeledón, Costa Rica
- Dec 19 Ryan Babel, Dutch soccer winger (69 caps; Ajax, Liverpool, Hoffenheim, Kasımpaşa, Beşiktaş, Galatasaray), born in Amsterdam, Netherlands
Shelly-Ann Fraser-Pryce (37 years old)
Dec 27 Jamaican athlete (Olympic gold 100m 2008, 12; 9 x World C'ship gold), born in Kingston, Jamaica
- Dec 28 Tom Huddlestone, English footballer, born in Nottingham, United Kingdom
About December 1986
How Old? 37 years old
Generation: Millennial
Leap Year: No
Chinese Zodiac: Tiger
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions