San Fernando, officially the Municipality of San Fernando, is a municipality in the province of Masbate, Philippines. According to the , it has a population of people.
It is located on Ticao Island. The economy of the town is based on fishing, farming, and other trades.
In 1951, the barrios of Batuan, Burgos, Gibraltar, Costa Rica, Panisihan, and Matabao were separated from San Fernando to form the town of Batuan.
San Fernando is politically subdivided into 26 barangays. Each barangay consists of puroks and some have sitios.
In the 2024 census, the population of San Fernando was 22,006 people, with a density of .
The municipality is part of Ticao Island, which is known as an archaeological landscape, possessing thousands of pre-colonial artifacts such as the Baybayin-inscribed Rizal Stone, Ticao gold spike teeth, Burial jars of varying designs and sizes, jade beads, human face rock statues, and the Ticao petrographs. Much of the homes in Ticao Island use these archaeological finds to design their interiors. The island is also an ecological frontier for the conservation of manta rays. The island also possesses a 'rare subspecies' of Visayan warty pig, that is almost near extinction.
The San Fernando 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.