- Aug 6 Regina Carter, American jazz and classical violinist, and composer, born in Detroit, Michigan
- Aug 7 Kristin Hersch, American singer and songwriter (Throwing Muses), born in Atlanta, Georgia
- Aug 10 Hansi Kürsch, German heavy metal singer-songwriter, band bassist (Blind Guardian), born in Lank-Latum, West Germany
- Aug 10 Roberta Donnay American jazz singer, guitarist, and songwriter ("One World"), born in Washington, D.C.
- Aug 14 David Hallyday, French singer-songwriter and actor (He's My Girl), born in Boulougne, France
- Aug 15 Shirley Kwan [Kwan Suk Yee] Chinese Canto-pop singer ("Happy Are Those In Love"), born in Hong Kong
- Aug 17 Jill Cunniff, American alt-rock singer and bassist (Luscious Jackson), born in Brooklyn, NYC
- Aug 17 Maysa [Leak], American jazz and R&B singer, born in Baltimore, Maryland
- Aug 19 Lee Ann Womack, American country singer ("I Hope You Dance"), born in Jacksonville, Texas
- Aug 20 "Dimebag" Darrell Abbott, American heavy metal guitarist (Pantera), born in Arlington, Texas (d. 2004)
- Aug 22 GZA [Gary Grice], American rapper (Wu-Tang Clan), born in Brooklyn, New York
- Aug 25 Derek Sherinian, American keyboardist (Dream Theater; Sons Of Apollo), born in Laguna Beach, California
- Aug 26 Dan Vickrey, American guitarist and songwriter (Counting Crows - "Accidentally in Love"), born in Walnut Creek, California
- Aug 26 Shirley Manson, Scottish rock singer (Garbage), born in Edinburgh, Scotland
- Aug 28 Jerry Fehily, Irish drummer (Hothouse Flowers - "Don't Go"; "Thing Of Beauty"), born in Cork, Ireland
- Aug 29 Dan Truman, American singer (Diamond Rio - "Meet in the Middle"), born in St. George, Utah
About August 1966
How Old? 57 years old
Generation: Generation X
Leap Year: No