Roger Federer (42 years old)
Aug 8 Swiss tennis player (20 x Grand Slam singles titles; Olympic gold doubles 2008; Davis Cup 2014; 6 x Tour Finals), born in Bottmingen, Switzerland
- Aug 9 Li Jiawei, Singaporean Olympic table tennis player
- Aug 10 Taufik Hidayat, Indonesian Badminton Player
- Aug 12 Djibril Cissé, French footballer
- Aug 12 Tony Capaldi, Northern Ireland footballer, born in Porsgrunn, Norway
- Aug 14 Julius Jones, American football player, born in Big Stone Gap, Virginia
- Aug 14 Matthew Etherington, English footballer, born in Truro, United Kingdom
- Aug 15 Brendan Hansen, American swimmer (Olympic gold, 4x100m medley relay 2004, 08, 12; 6 x World C'ship gold), born in Havertown, Pennsylvania
- Aug 15 Oliver Perez, American baseball player
- Aug 16 Roque Santa Cruz, Paraguayan footballer, born in Asunción, Paraguay
- Aug 18 César Delgado, Argentine footballer, born in Rosario, Argentina
- Aug 18 Dimitris Salpingidis, Greek footballer, born in Thessaloniki, Greece
- Aug 20 Bernard Mendy, French footballer (Paris Saint-Germain), born in Évreux, France
- Aug 21 Andreas Glyniadakis, Greek basketball player, born in Chania, Greece
- Aug 22 Alex Holmes, American football player, born in San Diego, California
- Aug 23 Carlos Cuéllar, Spanish footballer, born in Madrid, Spain
- Aug 23 Stephan Loboué, Ivorian footballer, born in Pforzheim, Germany
- Aug 26 Birdie Kim, South Korean golfer (US Open 2005), born in Iksan, South Korea
- Aug 26 Jesse Martin, German- Australian yachtsman (youngest person to solo circumnavigate the globe at 18), born in Dachau, Germany
- Aug 28 Agata Wróbel, Polish weightlifter, born in Żywiec, Poland
- Aug 28 Daniel Gygax, Swiss footballer, born in Zürich, Switzerland
- Aug 28 Martin Erat, Czech hockey player, born in Třebíč, Czechoslovakia
- Aug 28 Raphael Matos, Brazilian racing driver, born in Belo Horizonte, Brazil
- Aug 28 Vaggelis Moras, Greek footballer, born in Larissa, Greece
- Aug 29 Geneviève Jeanson, French Canadian cyclist, born in Montreal, Quebec
- Aug 31 Dwayne Peel, Welsh rugby union halfback (76 Tests, British & Irish Lions 3, Barbarians 1; Llanelli Scarlets RFC, Sale Sharks RFC), born in Carmarthen, Wales
About August 1981
How Old? 42 years old
Generation: Millennial
Leap Year: No