- Jan 2 Ben Hardy, English actor (X-Men: Apocalypse; Bohemian Rhapsody), born in Bournemouth, England
- Jan 4 Charles Melton, American actor (Riverdale), born in Juneau, Alaska
- Jan 4 Olivia Tennet, New Zealand actress, born in Auckland, New Zealand
- Jan 7 (Michaela) "Mj" Rodriguez, American actress and singer, born in Newark, New Jersey
- Jan 7 Max Morrow, Canadian actor, born in Toronto, Ontario
- Jan 8 Asuka Hinoi, Japanese J-pop singer, and actress, born in Osaka, Japan
- Jan 15 Ayeza Khan, Pakistani actress (Meray Paas Tum Ho), born in Karachi, Pakistan
- Jan 19 Erin Sanders, American actress, born in Santa Monica, California
- Jan 25 Ariana DeBose, American actress and singer (West Side Story), born in North Carolina
- Jan 29 Amberley Snyder, American barrel racer (subject of Netflix film "Walk, Ride. Rodeo), born in California
- Jan 30 Matthew Werkmeister, Australian actor, born in Melbourne, Australia
About January 1991
How Old? 33 years old
Generation: Millennial
Leap Year: No
Actors
Actresses
Comedians
Directors
Models
TV Stars