Mamasapano is a municipality in the province of Maguindanao, Philippines. According to the 2007 census, it has a population of 23,830 people (not counting the population of barangays only partially included).
Mamasapano is politically subdivided into 13 barangays, and a portion of one barangay.
This municipality before was only a mere barangay of the town of Shariff Aguak. However, by virtue of Republic Acts No. 6646/7160 and Muslim Mindanao Autonomy Act No. 54 dated April 27, 1997 issued on December 2, 1998, COMELEC Resolution No. 3051/3052 and Plebiscite conducted on October 31, 1998, the Municipality of Mamasapano then became the 11th municipality in the 2nd District of Maguindanao. The newly created municipality has eighteen (18) barangays taken from its mother Municipality of Shariff Aguak.
On July 30, 2009, upon the ratification of Muslim Mindanao Autonomy Act No. 225 (as amended by MMAA 252), the municipality of Shariff Saydona Mustapha was created from 4 barangays and a portion of one barangay (Libutan East) from Mamasapano, in addition to other barangays from Datu Piang, Datu Unsay, Datu Saudi-Ampatuan and Shariff Aguak.
- Philippine Standard Geographic Code
- 2000 Philippine Census Information
- Local Governance Performance Management System