- Aug 1 Valery Ortiz, Puerto Rican actress (Hit the Floor), born in San Juan, Puerto Rico
- Aug 1 Bastian Schweinsteiger, German football player (Chicago Fire, German national team), born in Kolbermoor, West Germany
- Aug 2 Chiara Mastalli, Italian actress, born in Rome, Italy
- Aug 2 Giampaolo Pazzini, Italian footballer, born in Pescia, Italy
- Aug 3 Jon Foster, American actor (Stay Alive), born in Boston, Massachusetts
- Aug 3 Amanda Kimmel, American actress and beauty queen, born in Los Angeles, California
- Aug 3 Yasin Avci, Danish footballer, born in Tire, Turkey
- Aug 3 Sunil Chetri, Indian footballer (Bengaluru FC), born in Secunderabad, India
Ryan Lochte
Aug 3 Ryan Lochte, American swimmer (12-time Olympic medalist), born in Rochester, New York
Ryan Lochte
- Aug 4 Helene Fischer, Russian German singer (Farbenspiel), born in Krasnoyarsk, Soviet Union
- Aug 8 Martrez Milner, American football player
- Aug 8 Devon McTavish, American footballer
- Aug 9 Paul Gallagher, Scottish footballer
- Aug 9 Saori Horii, Japanese gravure idol
- Aug 10 Mariel Rodriguez, Filipino TV host
- Aug 10 Cyrille Aimée, French jazz singer (Let's Get Lost), born in Samois-sur-Seine, Fontainebleau
- Aug 11 Melky Cabrera, Dominican baseball player
- Aug 11 Katie Rees, American beauty pageant contestant
- Aug 11 Lucas Di Grassi, Brazilian racing driver
- Aug 12 Marian Rivera, Philippine actress
- Aug 13 Niko Kranjčar, Croatian footballer, born in Zagreb, SR Croatia, SFR Yugoslavia
- 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 Baby Blue [Rachel Prager], American rapper (Pretty Ricky), born in London
- Aug 14 Clay Buchholz, American baseball player, born in Nederland, Texas
- Aug 14 Josh Gorges, Canadian ice hockey player, born in Kelowna, Canada
- Aug 14 Nick Grimshaw, English DJ and television presenter, born in England, United Kingdom
- Aug 15 Edward "Ted" Dwane, British folk-rock double bassist (Mumford & Sons), born in London
- Aug 15 Opal Tometi, Nigerian American civil rights activist (co-founder of #BlackLivesMatter)
- Aug 17 Garrett Wolfe, American professional footbal player, born in Chicago, Illinois
- 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 Micah Alberti, American actor
- Aug 19 Alessandro Matri, Italian footballer
- Aug 19 Ryan Taylor, English footballer
- Aug 20 Mirai Moriyama, Japanese actor (Crying Out Love in the Center of the World), born in Kobe, Hyōgo Prefecture, Japan
- Aug 20 Golan Yosef, Dutch actor and dancer, born in Gouda, Netherlands
- Aug 21 Neil Dexter, South African-born English cricketer, born in Johannesburg, South Africa
- Aug 21 Alizée Jacotey, French pop singer (Moi... Lolita), born in Ajaccio, France
- Aug 21 Melissa Schuman, American actress (Love Don't Cost a Thing), born in San Clemente, California
- Aug 21 B. J. Upton, American baseball player, born in Norfolk, Virginia
- Aug 22 Lee M. J. Camp, English footballer, born in Derby, England
- Aug 23 Glen Johnson, English soccer right-back (54 caps; Liverpool, Chelsea, Portsmouth, Stoke City), born in London, England
- Aug 24 Kyle Schmid, Canadian actor, born in Mississauga, Canada
- 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 Matti Breschel, Danish road cyclist
- Aug 31 Ted Ligety, American alpine skier
- Aug 31 Charl Schwartzel, South African golfer (US Masters 2011), born in Johannesburg, Gauteng
About August 1984
How Old? 36 years old
Generation: Millennial
Leap Year: Yes