Prospero Sanidad

Prospero Casia Sanidad (17 January 1897 – 1969) was a Filipino politician and lawyer.

Early life and education
Sanidad was born on 17 January 1897 in Narvacan, Ilocos Sur to Cipriano Sanidad and Cayetana Casia. He pursued his higher education at the University of the Philippines, George Washington University and the National University School of Law in Washington DC, where he graduated with a Bachelor of Laws degree. He was admitted to the Bar in 1928.

Congressional career
Sanidad was elected in 1934 to the House of Representatives as a Nacionalista representative of Ilocos Sur's 2nd district in 1934 and served until 1935. He was elected again to the position in 1938 and reelected in 1941, but was only able to take his second consecutive term in office due to the Japanese occupation during the Second World War.

Senatorial career
In 1946, he joined the Liberal Party and ran for the Philippine Senate but lost. However, he filed an electoral protest that became highly controversial, as it coincided with other protests filed against members of Congress belonging to the Nacionalista Party and the Democratic Alliance. In 1947, he won his protest and was sworn in, replacing José E. Romero.

Personal life
Sanidad was married to Rosario Centeno and had three children.