- Aug 6 Marisa Miller, American model
- Aug 7 Cirroc Lofton, American actor, born in Los Angeles, California
- Aug 8 Countess Vaughn, American actress (Moesha; The Parkers), and singer, born in Idabel, Oklahoma
- Aug 8 Miho Shiraishi, Japanese actress
- Aug 11 Amber Brkich, American reality television personality
- Aug 14 Kate Ritchie, Australian actress, born in Goulburn, Australia
- Aug 17 Vibeke Stene, Norwegian goth-metal singer (Tristania), and actress, born in Sokndal, Norway
- Aug 18 Andy Samberg, American comedian and actor (Brooklyn Nine-Nine), born in Berkeley, California
- Aug 19 Aarti Sequeira, Indian-American cook and television personality (The Next Food Network Star, 2010; Aarti Party; Guy's Grocery Games), born in Mumbai, India
James Corden (45 years old)
Aug 22 British actor, comedian and television host (The Late Late Show with James Corden), born in Hillingdon, London
- Aug 25 Kel Mitchell, American actor
- Aug 26 Amanda Schull, American actress (12 Monkeys), born in Honolulu, Hawaii
About August 1978
How Old? 45 or 46 years old
Generation: Generation X
Leap Year: No
Actors
Actresses
Comedians
Directors
Models
TV Stars