- Jun 1 Jean Beausejour, Chilean soccer left wing-back (107 caps; Birmingham City, Wigan Athletic, Universidad de Chile), born in Santiago, Chile
- Jun 1 Naidangiin Tüvshinbayar, Mongolian judoka (Olympic gold -100kg 2008; silver 2012; first Mongolian Olympic gold medallist), born in Saikhan sum, Bulgan Province, Mongolia
- Jun 8 Javier Mascherano, Argentine soccer centre-back, defensive midfielder (147 caps; River Plate, Liverpool, FC Barcelona), born in San Lorenzo, Argentina
- Jun 9 Masoud Shojaei, Iranian footballer, born in Shiraz, Iran
- Jun 9 Wesley Sneijder, Dutch soccer midfielder (134 caps; Ajax, Real Madrid, Inter Milan, Galatasaray), born in Utrecht, Netherlands
- Jun 9 Yulieski Gourriel, Cuban baseball player, born in Sancti Spíritus, Cuba
- Jun 10 Dirk Van Tichelt, Belgian judoka
- Jun 11 Andy Lee, Irish boxer (WBO middleweight title 2014-15), born in London, England
- Jun 11 Vágner Love, Brazilian soccer striker (20 caps; SE Palmeiras, CSKA Moscow, CR Flamengo), born in Rio de Janeiro, Brazil
- Jun 13 Nery Castillo, Mexican soccer forward (21 caps; Olympiacos 105 games), born in San Luis Potosí, Mexico
- Jun 14 Lorenzo Booker, American NFL football player, 2007-2012 (Minnesota Vikings and 2 other teams), born in Oxnard, California
- Jun 15 Tim Lincecum, American baseball player
- Jun 16 Rick Nash, Canadian ice hockey left wing (#1 pick NHL Draft 2002; 6 x NHL All Star; Olympic gold 2010, 14; World C'ship gold 2007; Columbus BJs, NY Rangers), born in Brampton, Ontario
- Jun 16 Steven Whittaker, Scottish soccer defender (31 caps; Hibernian, Rangers, Norwich City), born in Edinburgh, Scotland
- Jun 18 Janne Happonen, Finnish ski jumper, born in Kuopio, Finland
- Jun 19 Mateus Galiano da Costa, Angolan footballer, born in Luanda, Angola
- Jun 22 Dustin Johnson, American golfer (US Open 2016; Ryder Cup 2010, 12, 16, 18; FedEx Cup 2020), born in Columbia, South Carolina
- Jun 22 Janko Tipsarević, Serbian tennis player (Davis Cup 2010), born in Belgrade, Serbia
- Jun 22 Jerome Taylor, West Indies cricket all-rounder (46 Tests, 1 x 100, HS 106, 130 wickets, BB 6/47; Jamaica, Somerset CCC, Gloucestershire CCC), born in St. Elizabeth, Jamaica
- Jun 24 JJ Redick, American basketball player and sport analyst, born in Cookeville, Tennessee
- Jun 26 Deron Williams, American basketball player, born in Parkersburg, West Virginia
- Jun 26 Elijah Dukes, American baseball player (Washington Nationals), born in Homestead, Florida
- Jun 26 J. J. Barea, Puerto Rican basketball player, born in Mayagüez, Puerto Rico
- Jun 27 Gökhan Inler, Swiss footballer (İstanbul Başakşehir), born in Olten, Switzerland
- Jun 30 Gabriel Badilla, Costa Rican footballer, born in San José, Costa Rica
About June 1984
How Old? 39 years old
Generation: Millennial
Leap Year: Yes
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions