Pio V. Corpus, officially the Municipality of Pio V. Corpus (Masbateño: Munisipyo san Pio V. Corpus; ; ) is a municipality in the province of Masbate, Philippines. According to the , it has a population of people.
Pio V. Corpus was formerly known as Limbuhan. On June 11, 1951, the barrios of Limbuhan, Guindawahan, Palho, Casabangan, Salvacion, Alegria, Tanque, Bunducan, Bugtong, and Cabangrayan were separated from the town of Cataingan and created into the municipality of Limbuhan through Republic Act No. 641. The municipality received its current name on June 15, 1954 and was named after the former congressman and governor Pio Vicente Corpus (1883–1944). Born on July 11, 1883, in San Antonio, Zambales, he migrated to Masbate and he would later serve in the war time Japanese-sponsored government and was unfortunately assassinated by the Japanese Intelligence due to mistrust on February 7, 1944, in Manila. Its first mayor was Daniel Señoron.
Pio V. Corpus is politically subdivided into 18 barangays. Each barangay consists of puroks and some have sitios.
Sitio Bugang was converted into a barrio in 1957.
In the 2024 census, the population of Pio V. Corpus was 23,641 people, with a density of .
The Pio V. Corpus Schools District Office governs all educational institutions within the municipality. It oversees the management and operations of all private and public, from primary to secondary schools.