- Jan 1 Rawley Valberde, Oceanside California, actor (Amado-Santa Barbara)
- Jan 6 Fernando Carrillo, Venezuelan actor, born in Caracas, Venezuela
- Jan 8 Loretta Lee [Lee Lai Chan], Chinese actress (Happy Ghost), born in British Hong Kong
- Jan 8 Maria Pitillo, American actress (Ryan's Hope, Natural Born Killers), born in Elmira, New York
- Jan 9 Candi Milo, American voice actress (My Life as a Teenage Robot; New Looney Tunes), born in Palm Springs, California
- Jan 11 Marc Acito, American novelist and humorist
- Jan 12 Olivier Martinez, French actor (The Horseman on the Roof), born in Paris, France
Patrick Dempsey (57 years old)
Jan 13 American actor (Grey's Anatomy), born in Lewiston, Maine
- Jan 13 Simon Shelton Barnes, British actor (Teletubbies-Tinky Winky), born in Bethnal Green, London (d. 2018)
- Jan 14 Daniel J. Schneider, American actor (Dennis-Head of the Class), born in Memphis, Tennessee
- Jan 20 Rainn Wilson, American actor (The Office, Juno), born in Seattle, Washington
- Jan 22 Carlton Haselrig, American football guard (Pro Bowl 1992; Pittsburgh Steelers) and wrestler (6 x NCAA titles; Pitt-Johnstown), born in Johnstown, Pennsylvania (d. 2020)
- Jan 24 Jimeoin, Northern Irish comedian, born in Royal Leamington Spa, United Kingdom
- Jan 27 Tamlyn Tomita, Okinawa, actress (Karate Kid 2, Ming Li-Santa Barbara)
- Jan 30 Daphne Ashbrook, American actress (Liz-Our Family Honor), born in Long Beach, California
About January 1966
How Old? 57 years old
Generation: Generation X
Leap Year: No