Lake Sebu (Tboli: Lanaw Sbù,[1] /sbuʔ/; Hiligaynon: Linaw sg Sëbu, /səˈbuʔ/; Filipino: Lawa ng Sëbu) is a natural lake located in the municipality of Lake Sebu, South Cotabato within the Alah Valley region.

[3] Lake Sebu is one of the many bodies of water supplying important irrigation to the provinces of Sultan Kudarat and South Cotabato.

The Tboli and Ubo tribes have been the traditional dwellers of the lake.

2, Series of 1993, the claim of these tribes that the lake and its surroundings are under their ancestral domain.

The Mindanao Development Authority is closely coordinating with the DOT in the development and enhancement of Lake Sebu, as it is also identified as one of the priority sites under the BIMP-EAGA Tourism cluster.