| Cayetano Biondo | |
| Birth Name: | Cayetano Amadeo Biondo |
| Birth Place: | Buenos Aires, Argentina |
| Years Active: | 1936–1986 |
Cayetano Amadeo Biondo (1902–1986) was an Argentine film actor.
He starred in some 65 films between 1936 and his death in 1986 spanning 50 years of Argentine cinema.
Biondo made his debut in 1936 in the film Santos Vega and in 1938 appeared in the Mario Soffici film Kilómetro 111.
In 1981 he starred in the film Tiempo de revancha which co-starred actors such as Federico Luppi and Ulises Dumont.
His last film shortly before his death was Colimbas se divierten.