- Jan 1 Brody Dalle [Bree Robinson], Australian punk rock singer (The Distillers), born in Melbourne, Australia
- Jan 1 Koichi Domoto, Japanese J-Pop singer-songwriter (KinKi Kids - "Glass no Shōnen / Glass Boy"), born in Ashiya, Hyōgo, Japan
- Jan 2 Jagmeet Singh, Canadian politician and leader of the New Democratic Party (2017-), born in Scarborough, Ontario
- Jan 2 Suranne Jones, British actress
- Jan 3 Francesco Bellissimo, Italian mangaka
- Jan 4 Jeph Howard, American rock bass player (The Used), born in Orem, Utah
- Jan 4 Tristan Gommendy, French racing driver, born in Le Chesnay, Yvelines
- Jan 5 Ronnie O'Brien, Irish footballer, born in Bray, County Wicklow
- Jan 7 Bipasha Basu, Indian model, born in New Delhi, India
- Jan 7 Mariangel Ruiz, Venezuelan actress & model, born in San Juan de los Morros, Venezuela
- Jan 8 Adrian Mutu, Romanian footballer, born in Călinești, Romania
- Jan 8 Sarah Polley, Canadian filmmaker and actress (Sweet Hereafter, Women Talking), born in Toronto, Ontario
- Jan 8 Seol Ki-hyeon, South Korean footballer, born in Jeongseon County, South Korea
- Jan 8 Sequoyah, chimpanzee (son of Washoe)
- Jan 8 Stipe Pletikosa, Croatian footballer, born in Split, Croatia
- Jan 9 Amber Ruffin, American talk show host and writer (The Amber Ruffin Show), born in Omaha, Nebraska
- Jan 9 Tomiko Van, Japanese pop-rock singer (Do As Infinity), born in Yamato, Japan
- Jan 10 Chris "Daddy Mac" Smith, American rapper (Kris Kross - "Jump"), born in Atlanta, Georgia
- Jan 11 Darren Lynn Bousman, American film director, born in Overland Park, Kansas
- Jan 11 Henry Shefflin, Irish hurler, born in Waterford, Ireland
- Jan 11 Siti Nurhaliza, Malaysian singer, born in Kampung Awah, Malaysia
- Jan 12 Grzegorz Rasiak, Polish footballer, born in Szczecin, Poland
- Jan 12 Jenny Schmidgall, American ice hockey forward (USA, Olympics 1998), born in Saint Paul, Minnesota
- Jan 13 Jill Wagner, American Actor
- Jan 14 Angela Lindvall, American supermodel, born in Midwest City, Oklahoma
- Jan 14 John Reuben, American hip hop artist, born in Columbus, Ohio
- Jan 14 Karen Elson, British supermodel, born in Oldham, United Kingdom
Drew Brees (44 years old)
Jan 15 American football quarterback (Super Bowl MVP 2009, New Orleans Saints; 13 x Pro Bowl; 7 × NFL passing yards leader), born in Austin, Texas
- Jan 15 Ken Chu, Taiwanese singer-actor and tai-chi champion, born in Taiwan
- Jan 15 Martin Petrov, Bulgarian footballer, born in Vratsa, Bulgaria
- Jan 15 Young Dro [D'Juan Hart], American rapper (Shoulder Lean), born in Atlanta, Georgia
- Jan 16 Aaliyah [Haughton], American singer and actress, born in Brooklyn, New York (d. 2001)
- Jan 16 Brenden Morrow, Canadian ice hockey player, born in Carlyle, Canada
- Jan 16 Jason Ward, Canadian ice hockey player, born in Chapleau, Canada
- Jan 16 Jimmy Walker, American golfer (PGA C'ship 2016), born in Oklahoma City, Oklahoma
- Jan 16 Rashawn Ross, American trumpeter (Dave Mathews Band), born in Saint Thomas, U.S. Virgin Islands
- Jan 18 Brian Gionta, American ice hockey player, born in Rochester, New York
- Jan 18 Jay Chou, Taiwanese singer & producer, born in New Taipei City, Taiwan
- Jan 18 Kenyatta Jones, American football player, born in Gainesville, Florida
- Jan 18 Leo Varadkar, Irish politician (Prime Minister, 2017-), born in Dublin, Ireland
- Jan 18 Paulo Ferreira, Portuguese footballer, born in Cascais, Portugal
- Jan 19 Josu Sarriegi, Spanish football player, born in Lazkao, Spain
- Jan 19 Spider Loc [Curtis Williams], American rapper (G-Unit), and actor, born in Compton, California
- Jan 19 Svetlana Khorkina, Russian gymnast, born in Belgorod, Russia
- Jan 19 Wiley, English Rapper (Grime), born in Bow, London
- Jan 20 Asaka Kubo, Japanese singer (A+Jyuc), born in Japan
- Jan 20 Rob Bourdon, American musician (Linkin Park), born in Calabasas, California
- Jan 20 Will Young, British singer-songwriter & actor, born in Wokingham, United Kingdom
- Jan 21 Brian O'Driscoll, Irish rugby union footballer
- Jan 21 Byung-Hyun Kim, Korean baseball player
- Jan 23 Juan Rincón, Venezuelan baseball player, born in Maracaibo, Venezuela
- Jan 23 Larry Hughes, American basketball player, born in St. Louis, Missouri
- Jan 23 Sampsa Astala, Finnish musician (Lordi), born in Vantaa, Finland
- Jan 24 Tatyana M. Ali, American actress (Sesame St, Fresh Prince of Bel Air), born in New York City, New York
- Jan 25 Christine Lakin, American actress (Step by Step), born in Dallas, Texas
- Jan 25 Gabe Jennings, American distance runner, born in California
- Jan 25 Pi Hongyan, Chinese-born French badminton player, born in Chonqing, China
- Jan 26 Sara Rue, American actress, born in New York
- Jan 27 Daniel Vettori, New Zealand cricketer
- Jan 27 Liesbet Van Breedam, Belgian beach volleyball player
- Jan 27 Rodrigo Ribeiro, Brazilian racing driver, born in Rio de Janeiro, Brazil
Rosamund Pike (44 years old)
Jan 27 British actress (Gone Girl; An Education; A Private War; The Wheel of Time), born in London
- Jan 28 Ali Boulala, Swedish skateboarder
- Jan 29 Andrew Keegan, American actor (Step by Step, Party of Five), born in Los Angeles, California
- Jan 29 April Scott, American actress & model, born in Campbell, Missouri
- Jan 29 Christina Koch, American NASA astronaut (Soyuz MS-12), born in Grand Rapids, Michigan
- Jan 30 Karen Smith, Australian hockey player (Olympics 1996)
- Jan 31 Daniel Tammet, British writer & autistic savant, born in Barking, London
About January 1979
How Old? 44 years old
Generation: Generation X
Leap Year: No
Chinese Zodiac: Horse (Jan 1 - Jan 27), Goat/Sheep (Jan 28 - Jan 31)
Star Signs: Capricorn (Dec 22 - Jan 19), Aquarius (Jan 20 - Feb 18)