- Jan 6 Diljit Dosanjh, Indian Punjabi singer, actor and producer (Born to Shine), born in Dosanjh Kalan, Punjab, India
- Jan 6 Kate McKinnon, American actress and comedian (Ghostbusters), born in Sea Cliff, New York
- Jan 12 Sam Richardson, American actor (Ted Lasso), born in Detroit, Michigan
- Jan 15 Ben Shapiro, American political commentator and TV host (The Ben Shapiro Show), born in Los Angeles, California
- Jan 15 Victor Rasuk, American actor, born in New York City
- Jan 18 Kristy Lee Cook, American country singer (American Idol, season 7), born in Seattle, Washington
- Jan 20 Olivia Hallinan, English actress, born in Hounslow, United Kingdom
- Jan 20 Toni Gonzaga, Filipino singer and actress, born in Rizal, Philippines
- Jan 21 Luke Grimes, American actor (Yellowstone), born in Dayton, Ohio
- Jan 22 Raica Oliveira, Brazilian supermodel, born in Rio de Janeiro, Brazil
- Jan 26 Layla Kayleigh, British television personality, born in London
- Jan 27 Davetta Sherwood, American actress (The Young And The Restless, 2006 - "Lily"), born in Mount Vernon, New York
About January 1984
How Old? 40 years old
Generation: Millennial
Leap Year: Yes
Actors
Actresses
Comedians
Directors
Models
TV Stars