John Popper (born March 29, 1967) is an American musician and songwriter.
He is most famous for his role as frontman of rock band Blues Traveler performing harmonica, guitar and vocals. He is widely considered a harmonica virtuoso, and is listed by harmonica manufacturer Hohner as a "Featured Artist", an accolade reserved for only the best and most successful harmonica players.
John Popper was born in Cleveland, Ohio. His father was a Hungarian immigrant who escaped Budapest in the 1950s. Through him, Popper is related to David Popper, a nineteenth-century European cellist whose many solo works for the cello are staples of the instrument's repertoire. John's mother and brother are lawyers.