Geraldo Vietri (São Paulo, August 27, 1927 – São Paulo, August 1, 1996) was a Brazilian filmmaker and playwright.

A controversial television personality, a pioneer, with a difficult temperament and politically conservative, Geraldo Vietri began his career on TV Tupi in 1958, when one of his screenplays, Este Mundo é dos Loucos, was approved and produced by the São Paulo broadcaster. After that, Geraldo would be hired to work at TV de Comédia, as author and director.

Still in the 1950s, Vietri began producing non-daily soap operas. In Alma Cigana (1964), Vietri acted as director. Two years later, he wrote A Inimiga (1966), an adaptation of an Argentine original. As an author of soap operas, he accumulated the largest number of titles.