Alessandro Gadaletta (died 1572) was a Roman Catholic prelate who served as Bishop of Nusco (1563–1572).

On 30 Jan 1563, Alessandro Gadaletta was appointed by Pope Pius IV as Bishop of Nusco.^[1] He served as Bishop of Nusco until his death in 1572.^[1] While bishop, he was the principal consecrator of Lelio Giordano, Bishop of Acerno.^[1]

• Cheney, David M. "Diocese of Nusco". Catholic-Hierarchy.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}
• Chow, Gabriel. "Diocese of Nusco (Italy)". GCatholic.org. Retrieved June 16, 2018. (for Chronology of Bishops) ^{[self-published]}