The governor of Ilocos Sur (), is the chief executive of the provincial government of Ilocos Sur.
List of governors of Ilocos Sur No. Image Governor Term 1 Mena Crisologo 1901-1906 2 Félix Angco 1906-1908 3 Estanislao Reyes 1908-1909 4 Manuel Singson 1910-1912 5 Juan Villamor 1912-1916 6 José Villanueva y Florendo 1916-1919 7 Simeón Ramos 1919-1925 8 Alberto Reyes 1925-1928 9 Alejandro Quirolgico 1928-1931 10 Lupo Biteng 1931-1932 11 Alejandro Quirolgico 1933-1936 12 Pedro Singson Reyes 1937-1941 13 Pascual Pimentel 1943-1945 14 Sixto Brillantes 1945-1946 15 Perfecto Faypon 1946-1952 16 Eliseo Quirino 1952-1955 17 Pedro Singson Reyes 1956-1959 18 Godofredo S. Reyes 1960-1963 19 Carmen "Carmeling" P. Crisologo 1964-1971 20 Luis "Chavit" Singson 1972-1986 21 Jose G. Burgos Jr. 1986-1987 22 Antonio "Yeng" Abaya 1987 23 Anita Lorenzana 1987-1988 24 Evaristo "Titong" C. Singson 1988 25 Mariano M. Tajon 1989-1992 26 Deogracias Victor Savellano 1992 27 Luis "Chavit" Singson 1992-2001 28 Deogracias Victor Savellano 2001-2004 29 Luis "Chavit" Singson 2004-2007 30 Deogracias Victor Savellano 2007-2010 31 Luis "Chavit" Singson 2010-2013 32 Ryan Luis Singson 2013-2022 33 Jeremias C. Singson 2022–present
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