- Jan 1 Meryl Davis, American ice dancer (Olympic gold with Charlie White 2014; World C'ships gold 2011, 2013), born in Royal Oak, Michigan
- Jan 7 Davide Astori, Italian soccer centre-back (14 caps; AC Milan, Cagliari, Fiorentina), born in San Giovanni Bianco, Italy (d. 2018)
- Jan 9 Lucas Pezzini Leiva, Brazilian football player, born in Dourados, Brazil
- Jan 9 Sam Bird, English racing driver, born in Roehampton, London
- Jan 10 César Cielo, Brazilian swimmer (Olympic gold 50m freestyle 2008; World C'ship gold x 6 2009, 11, 13; WR 50m freestyle 20.91, 100m freestyle 46.91 2009), born in Santa Bárbara d'Oeste, Brazil
- Jan 11 Danuta Kozák, Hungarian sprint canoeist (5-time Olympic gold K-1, K-2, K-4 500m 2012, 16), born in Budapest, Hungary
Jamie Vardy (37 years old)
Jan 11 English football player (Leicester City, England), born in Sheffield, England
- Jan 11 Scotty Cranmer, US professional BMX rider, born in Jackson Township, New Jersey
- Jan 12 Salvatore Sirigu, Italian footballer, born in Nuoro, Italy
- Jan 15 Greg Inglis, Australian rugby league player, born in Kempsey, Australia
- Jan 17 Oleksandr Usyk, Ukrainian boxer (Unified Heavyweight title 2021-), born in Simferopol, Ukrainian SSR, Soviet Union
- Jan 19 Edgar Manucharyan, Armenian footballer, born in Yerevan, Armenia
- Jan 20 Marco Simoncelli, Italian motorcycle racer (250cc World Championship 2008), born in Cattolica, Italy (d. 2011)
- Jan 21 Joe Ledley, Welsh footballer
- Jan 22 Astrid Jacobsen, Norwegian cross-country skier, born in Trondheim, Norway
- Jan 22 Shane Long, Irish soccer striker (fastest EPL goal 7.69s 2019), born in Gortnahoe, Republic of Ireland
Luis Suárez (37 years old)
Jan 24 Uruguayan soccer striker (Ajax, Liverpool, Barcelona 191 games, Atlético Madrid), born in Salto, Uruguay
- Jan 25 Maria Kirilenko, Russian tennis player (Tour Finals doubles [Nadia Petrova]; Olympic bronze doubles 2012), born in Moscow, Russia
- Jan 30 Lance "Buddy" Franklin, Australian AFL forward (AFL Premiership 2008, 13 Hawthorne FC; Sydney FC; 8 x All Australian; 4 x Coleman Medal), born in Perth, Australia
About January 1987
How Old? 37 years old
Generation: Millennial
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions