- Jan 1 Hasan Salihamidžić, Bosnian soccer utility (42 caps; Bayern Munich, 234 games, sporting director), born in Jablanica, Bosnia & Herzegovina
- Jan 2 Brian Boucher, American NHL hockey goaltender, 1999-2013 (Philadelphia Flyers, Phoenix Coyotes, and 5 other teams; NHL modern record for longest shutout streak 332:01, 2003-04) and broadcaster, born in Woonsocket, Rhode Island
- Jan 3 A.J. Burnett, American baseball pitcher (MLB All Star 2015; World Series 2009; AL strikeout leader 2008; no-hitter 2001), born in North Little Rock, Arkansas
- Jan 3 Lee Bowyer, English soccer midfielder and manager (1 cap; Leeds United; manager Charlton Athletic 2018-19), born in London, England
- Jan 4 David Millar, Scottish road racing cyclist (banned in 2004 for doping), born in Mtarfa, Malta
- Jan 11 Shomari Buchanan, American football player, born in Corpus Christi, Texas
- Jan 12 Cade McNown, American College Football HOF quarterback who won Johnny Unitas Golden Arm Award 1998 UCLA; Chicago Bears, born in Portland, Oregon
- Jan 12 Yoandy Garlobo, Cuban baseball player, born in Jovellanos, Cuba
- Jan 13 James Posey, American basketball small forward (NBA C'ship 2006 Miami Heat, 2008 Boston Celtics, 2016 Cleveland Cavaliers [assistant coach]), born in Cleveland, Ohio
- Jan 14 Terry Ryan, Canadian NHL left wing who played in 8 games (Montreal Canadiens, 1996-99), born in St. John's, Newfoundland
- Jan 15 Simon James Cook, British cricketer, born in Oxford, England
- Jan 17 Ali el Kattabi, Dutch soccer player (Sparta), born in Schiedam, Netherlands
- Jan 18 Alina Jidkova, Russian tennis player, born in Moscow, Russia
- Jan 18 Richard Archer, British rock singer-songwriter and guitarist (Hard-Fi), born in Staines-upon-Thames, Surrey, England
- Jan 19 Annie Miller, American tennis player (1995 Darmstadt Germany), born in Midland, Michigan
- Jan 19 Lauren, Cameroonian footballer, born in Kribi, Cameroon
- Jan 20 Paul Adams, South African cricketer (lefty very unorthodox bowler for South Africa), born in Cape Town, South Africa
- Jan 21 Al Baxter, Australian rugby union footballer
- Jan 21 Phil Neville, English footballer
- Jan 22 Hidetoshi Nakata, Japanese footballer, born in Kofu, Japan
- Jan 22 Jono Gibbes, New Zealand rugby union flanker (8 caps; Chiefs) and coach (Ulster, La Rochelle), born in Henderson, New Zealand
- Jan 24 Lenka Cenkova, Czech tennis player (1995 Futures-Vaihingen-GER), born in Trinec, Czechia
- Jan 26 Justin Gimelstob, American tennis player (Australian Open, French Open mixed doubles 1998; Hopman Cup 1997), born in Livingston, New Jersey
- Jan 26 Vince Carter, American basketball forward (8 x NBA All Star; NBA Rookie of the Year 1999, Toronto Raptors; Olympic gold 2000), born in Daytona Beach, Florida
- Jan 28 Daunte Culpepper, American football player
- Jan 28 Lyle Overbay, American baseball player
- Jan 28 Takuma Sato, Japanese auto racer (Indianapolis 500 2017, 20), born in Tokyo, Japan
- Jan 30 Deltha O'Neal, American football player, born in Palo Alto, California
About January 1977
How Old? 47 years old
Generation: Generation X
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions