Ryan Lochte (39 years old)
Aug 3 American swimmer (12-time Olympic medalist), born in Rochester, New York
- Aug 3 Sunil Chetri, Indian footballer (Bengaluru FC), born in Secunderabad, India
- Aug 3 Yasin Avci, Danish footballer, born in Tire, Turkey
- Aug 8 Martrez Milner, American football player
- Aug 11 Lucas Di Grassi, Brazilian racing driver
- Aug 11 Markis Kido, Indonesian badminton player (Olympic gold men's doubles 2008 [with Hendra Setiawan]; World Championships gold 2007; World Cup gold 2006), born in Jakarta, Indonesia (d. 2021)
- Aug 11 Melky Cabrera, Dominican baseball player
- Aug 13 Boone Logan, American baseball player, born in San Antonio, Texas
- Aug 13 Heath Pearce, American soccer defender (35 caps; FC Nordsjælland, NY Red Bulls), born in Modesto, California
- Aug 13 Niko Kranjčar, Croatian soccer midfielder (81 caps; Dinamo Zagreb, Hajduk Split, Portsmouth, Tottenham Hotspur, QPR), born in Zagreb, Croatia
- Aug 14 Clay Buchholz, American baseball player, born in Nederland, Texas
- Aug 14 Josh Gorges, Canadian ice hockey player, born in Kelowna, Canada
- Aug 17 Dee Brown, American basketball player (2005 Sporting News National Player of the Year), born in Jackson, Mississippi
- Aug 18 Robert Huth, German footballer, born in Biesdorf, Berlin, Germany
- Aug 19 Alessandro Matri, Italian footballer, born in Sant'Angelo Lodigiano, Italy
- Aug 21 B. J. Upton, American baseball player, born in Norfolk, Virginia
- Aug 21 Neil Dexter, South African-born English cricketer, born in Johannesburg, South Africa
- Aug 22 Lee Camp, English soccer goalkeeper (9 caps Northern Ireland; Nottingham Forest, QPR, Rotherham United, Birmingham City), born in Derby, England
- Aug 23 Glen Johnson, English soccer right-back (54 caps; Liverpool, Chelsea, Portsmouth, Stoke City), born in London, England
- Aug 27 David Bentley, English footballer, born in Peterborough, England
- Aug 27 Sulley Muntari, Ghanaian footballer
- Aug 30 Anthony Ireland, Zimbabwean cricketer, born in Masvingo, Zimbabwe
- Aug 31 Charl Schwartzel, South African golfer (US Masters 2011), born in Johannesburg, Gauteng
- Aug 31 Ted Ligety, American alpine skier (2x Olympic Golds), born in Salt Lake City, Utah
About August 1984
How Old? 39 years old
Generation: Millennial
Leap Year: Yes