Salvatore T. DeMatteo (July 14, 1911 – August 8, 2003) was an American lawyer and politician from New York.

While studying, he worked as a telegraph messenger, as a newspaper copyboy, and wrote articles for an Italian-language paper.

[2] DeMatteo was a member of the New York State Assembly in 1938, having been elected in November 1937 on the American Labor ticket in the 16th assembly district of Brooklyn.

In February 1960, he was elected as Executive Secretary of the Liberal Party in Brooklyn.

He died on August 8, 2003, and was buried at the St. Charles Cemetery in Farmingdale.