Italian opera singer, Fiorenza Cossotto, has a net worth of $20 million. She acquired fame and popularity as one of the most well known mezzo-soprano voices from the 20th century. She was born in Crescentino in Province of Vercelli, Italy on the 22nd of April, 1935. She later chose to study at the Turin Academy of Music and debuted in the year 1957. She made her operatic debut in the world premiere of Dialogues of the Carmelites in 1957 as sister Matilde at La Scala in Milan. She played the lead role in La favorite which made her gain more popularity.

She was awarded a Gold Record for her performance in Macbeth as Lady Macbeth. She recorded many best known mezzo roles in the Italian operas. She has sung Adalgisa in Norma along with Callas, Elena Souliotis and Caballa.