Diego Natale Bona was born on December 11, 1926, and died on April 29, 2017.

He was a Roman Catholic bishop.

He was ordained to the priesthood in 1950, Bona served as bishop of the Diocese of Porto-Santa Rufina, Italy from 1985 to 1994.

Then, Bona was appointed as bishop of the Diocese of Saluzzo from 1994 to 2003.

Diego Natale Bona passed away at 90 years old.