- Jul 5 Jason Wade, American singer and musician (Lifehouse), born in Camarillo, California
- Jul 7 Kaisa Jouhki, Finnish vocalist (Battlelore), born in Sumatra, Indonesia
- Jul 7 Dan Whitesides, American drummer (The Used)
Jessica Simpson
Jul 10 Jessica Simpson, American singer and popstar ("I Wanna Love You Forever" "I Think I'm In Love" and "Where You Are"), born in Abilene, Texas
Jessica Simpson
- Jul 10 Alejandro Millán, Mexican singer and songwriter
- Jul 18 Ryōko Hirosue, Japanese actress and singer, born in Kōchi, Japan
- Jul 20 Mike Kennerty, American guitarist (The All-American Rejects) and record producer, born in Houston, Texas
- Jul 22 Kate Ryan [Katrien Verbeeck], Belgian pop singer-songriter, born in Tessenderlo, Belgium
- Jul 22 Tablo [Daniel Lee], Korean-Canadian hip-hop musician (Epik High), born in Seoul, South Korea
- Jul 23 Michelle Williams, American singer (Destiny's Child), born in Rockford, Illinois
- Jul 25 Diam's [Mélanie Georgiades], French rapper, born in Nicosia, Cyprus
- Jul 26 Dave Baksh, Canadian guitarist (Sum 41), born in Ajax, Ontario
- Jul 28 Stephen Christian, American singer (Anberlin), born in Kalamazoo, Michigan
About July 1980
How Old? 40 years old
Generation: Generation X
Leap Year: Yes