Simeon Datumanong (born June 17, 1935) is a Filipino-Muslim politician who held different government positions and currently serves as a Representative of the lone district of Maguindanao in the House of Representatives of the Philippines. He is married to Hadja Sittie Mariam Sigrid De Guzman Datumanong and have four children.
He finished elementary as the class valedictorian at Cotabato Central School in Cotabato City on 1949. He was the first honorable mention when he finished his high school studies at Cotabato High School. Right after finishing high school, he took up Bachelor of Laws at the University of the Philippines. He was admitted to the Bar on 1959.
- Birth name : Simeon Datumanong
- Birthday : June 17, 1935
- Schools Attended :
- Elementary, Class valedictorian, Cotabato Central School in Cotabato City (1949)
- High school studies, First honorable mention, Cotabato High School
- Bachelor of Laws, University of the Philippines
- Wife : Hadja Sittie Mariam Sigrid De Guzman Datumanong
- Children : 4
- Religion : Muslim
- Member, Batasang Pambansa Lone District of Maguindanao (1984-1986)
- Governor Province of Maguindanao, (1973-1975)
- Governor Province of Cotabato, (1968-1971)
- Vice Governor Province of Cotabato (1963-1967)
- Representative of the lone district of Maguindanao