- Jan 4 Erin Cahill, American actress, born in Stafford, Virginia
- Jan 4 Greg Cipes, American actor, born in Coral Springs, Florida
- Jan 5 Garette Patrick Ratliff, American actor (Return to Blue Lagoon), born in Burbank, California
- Jan 8 Rachel Nichols, American actress, born in Phoenix, Arizona
- Jan 10 Sarah Shahi [Aahoo Jahansouzshahi], American actress (Black Adam, Sex/Life) and model, born in Euless, Texas
- Jan 11 Deanna Wright, American actress, born in Ocala, Florida
- Jan 13 Michael Rupp, American ice hockey center (Stanley Cup 2003 New Jersey Devils; Pittsburgh Penguins, NY Rangers) and broadcaster (NHL Network, SportsNet Pittsburgh), born in Cleveland, Ohio
- Jan 14 Hiroshi Tamaki, Japanese actor and model, born in Nagoya, Japan
- Jan 16 Alyssa Edwards [Justin Johnson], American drag performer, choreographer, TV personality and businessperson (Beyond Belief Dance Company), born in Mesquite, Texas
Lin-Manuel Miranda (44 years old)
Jan 16 American composer and playwright (In The Heights; Hamilton), born in New York City
- Jan 16 Michelle Wild, Hungarian model, born in Budapest, Hungary
- Jan 17 Kimberly Spicer, American model, born in Detroit, Michigan
Zooey Deschanel (44 years old)
Jan 17 American actress (Almost Famous; Elf; New Girl), and singer (She & Him), born in Los Angeles, California
- Jan 18 Estelle [Swaray], English singer-songwriter, rapper ("American Boy"), and actress (Steven Universe), born in Hammersmith, London, England
- Jan 18 Jason Segel, American actor (How I Met Your Mother, Forgetting Sarah Marshall), born in Los Angeles, California
- Jan 19 Gabor Reisz, Hungarian filmmaker (Explanation for Everything), born in Budapest, Hungary
- Jan 21 Nana Mizuki [Kondō], Japanese voice actress, film dubber, and J-pop singer ("Phantom Minds"), born in Niihama, Ehime, Japan
- Jan 22 Christopher Masterson, American actor (MAlcolm In The Niddle - "Francis"), born on Long Island, New York
- Jan 24 Nicole Marie Lenz, American actress, born in Cleveland, Ohio
- Jan 25 Michelle McCool, American pro wrestler (WWE Women's C'ship 2009, 10; WWE Divas C'ship 2008), born in Palatka, Florida
- Jan 29 Jason James Richter, American actor (Free Willy), born in Medford, Oregon
- Jan 29 Yael Bar-Zohar, Israeli actress and model, born in Tel Aviv-Yafo, Israel
- Jan 30 Leilani Dowding, British glamour model, born in Bournemouth, United Kingdom
- Jan 30 Pavel Ponomaryov, Russian-Estonian actor, born in Saint Petersburg, Russia
- Jan 30 Wilmer Valderrama, American actor (That '70s Show -"Fez"), born in Miami, Florida
- Jan 31 James Adomian, American actor, born in Omaha, Nebraska
- Jan 31 Tiffany Limos, American actress, born in Dallas, Texas
About January 1980
How Old? 44 years old
Generation: Generation X
Leap Year: Yes
Chinese Zodiac: Goat/Sheep
Star Signs: Capricorn (Dec 22 - Jan 19), Aquarius (Jan 20 - Feb 18)
Actors
Actresses
Comedians
Directors
Models
TV Stars