Malapatan is a first class municipality in the province of Sarangani, Philippines. According to the 2010 census, it has a population of 72,386 people. As of 2010, it has a total voting population of 35,569 voters.

Malapatan is bounded on the west by Sarangani Bay, on the east by Davao del Sur, on the north by Alabel, and on the south by Glan.