Sibulan, officially the Municipality of Sibulan (; ) is a second-class municipality in the province of Negros Oriental in Negros Island Region, Philippines. According to the 2015 census, it has a population of 59,455 people.
Sibulan is bordered to the south by the provincial capital of Dumaguete City. It is the location of the Dumaguete Airport, the main airport for Negros Oriental.
Sibulan is also the location of the Balinsasayao Twin Lakes Natural Park, composed of Lake Balinsasayao and Lake Danao. The site, managed by the provincial government, is located above sea level on Mount Talinis.