San Miguel, officially the Municipality of San Miguel (; Subanen: Benwa San Miguel; Chavacano: Municipalidad de San Miguel; ), is a municipality in the province of Zamboanga del Sur, Philippines. According to the 2024 census, it has a population of 20,037 people.
San Miguel is politically subdivided into 18 barangays. Each barangay consists of puroks while some have sitios.