Sison, officially the Municipality of Sison (Surigaonon: Lungsod nan Sison; ), is a municipality in the province of Surigao del Norte, Philippines. According to the 2020 census, it has a population of 14,290 people.
Through Executive Order No. 357, issued by President Carlos P. Garcia on September 15, 1959, six barrios of then-municipality of Surigao were organized into the municipality of Sison.
Sison is politically subdivided into 12 barangays. Each barangay consists of puroks while some have sitios.
The Surigaonon language is widely spoken, while Cebuano, Filipino and English are also used.