Mulondo, officially the Municipality of Mulondo, is a 3rd class municipality in the province of Lanao del Sur, Philippines. According to the 2020 c…Mulondo, officially the Municipality of Mulondo, is a 3rd class municipality in the province of Lanao del Sur, Philippines. According to the 2020 census, it has a population of 19,932 people. Its name is derived from the Maranao dialect, which means "People of Lake"