Valensi

Valensi, also spelled Valença, Valencia, al-Valensi, Balansi, Valencin, or Valenciano, is a Jewish surname of sephardic origin. According to Encyclopaedia Judaica, the surname originated in the city of Valencia during the Middle Ages. Since the 17th century, the spelling Valença has also been associated with crypto-jews in Pernambuco, a state in northeastern Brazil.
Notable people with the surname include:

Georges Valensi, French telecommunications engineer
Lucette Valensi, French historian
Nick Valensi, American musician and songwriter