Carlos Salvatierra Tan (November 4, 1893–June 10, 1976) was a Filipino politician who served as Senator in the 1st Congress of the Philippines.

[1] Tan attended Colegio de San Carlos, Colegio de San Juan de Letran, Manila High School and the University of the Philippines.

[1] He was married to Isabel Mirasol of Jaro, Iloilo City.

In November 1938, he was elected assemblyman for the same district from 1938 to 1941 and once again representative after the World War II from 1946 to 1947.

[1] He was elected Senator in 1947 placing 8th out of the 8 seats up for election but was unseated as per decision of the Senate Electoral Tribunal on December 16, 1949 due to an electoral protest.