Barangay Oyama

Classified as a small barangay, Barangay Oyama is one of the administrative divisions of Tiwi in Albay, Bicol Region, Philippines.

According to the 2020 Philippine census, Barangay Oyama had a population of 1,193. This made it the 22nd largest of 25 barangays in Tiwi by population, placing it among the smaller barangays of the municipality. Residents of Barangay Oyama accounted for approximately 2.11% of the total population of Tiwi, which stood at 56,444 in the same census year.

The barangay recorded 1,289 residents in the 2015 intercensal count and 1,193 residents in the 2020 Census — a net change of -7.4%, consistent with a contracting settlement. Barangay Oyama is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tiwi is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Oyama, including public health, sanitation, peace and order, and civil registration. Within the wider province of Albay, which contains 720 barangays across its component cities and municipalities, Barangay Oyama ranks 440th by 2020 population. Albay is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.