Tboli, officially the Municipality of Tboli (; ; ), is a municipality in the province of South Cotabato, Philippines. According to the 2020 census, it has a population of 101,049 people. The town is named after the indigenous natives themselves, the Tboli people.
Located in the town is Lake Holon within Mount Parker. The lake was declared as the cleanest inland body of water in the entire country in 2003 and 2004.
Tboli is politically subdivided into 25 barangays. Each barangay consists of puroks while some have sitios.