- Jan 1 Nina Bott, German actress
- Jan 2 Devin Doherty, actor (Jimmy Clayton-Swan's Crossing)
- Jan 2 Karina Smirnoff, Ukrainian-American ballroom dancer and TV personality (Dancing with the Stars), born in Kharkiv, Ukraine
- Jan 2 Toyoguchi Megumi, Japanese seiyuu (voice actress)
- Jan 3 Dominic Wood, English children's television presenter and magician
- Jan 3 Kimberley Locke, American pop-dance singer-songwriter and television personality, born in Hartsville, Tennessee
- Jan 3 Park Sol-mi, South Korean actress
January Jones (46 years old)
Jan 5 American actress (Betty Draper-Mad Men; X-Men: First Class) and model, born in Sioux Falls, South Dakota
- Jan 6 Tara Spencer-Nairn, Canadian actress, born in Montreal, Canada
- Jan 9 Maggie Rizer, American model and AIDS activist, born in Staten Island, New York
- Jan 11 Holly Brisley, Australian actress, born in Adelaide, Australia
- Jan 12 Kim Sa Rang, Korean actress, born in Daegu, South Korea
- Jan 15 Eddie Cahill, American actor, born in New York City
- Jan 20 Joy Giovanni, American actress and glamour model, born in Boston, Massachusetts
- Jan 20 Omar Sy, French actor (Lupin), born in Trappes, France
- Jan 21 Phil Stacey, American Idol finalist
- Jan 26 Kelly Stables, American actress, born in St Louis, Missouri
About January 1978
How Old? 46 years old
Generation: Generation X
Leap Year: No
Actors
Actresses
Comedians
Directors
Models
TV Stars