Mamuniyeh (, also Romanized as Ma’mūnīyeh) is a city in the Central District of Zarandieh County, Markazi province, Iran, serving as both capital of the district and of the county.
At the 2006 National Census, its population was 17,337 in 4,672 households. The following census in 2011 counted 19,005 people in 5,732 households. The latest census in 2016 showed a population of 21,814 people in 6,947 households.
Musa Farzaneh was a well-known philanthropist, educator, and highly respected public figure of Mamuniyeh. He was of Mirza Hakim Yazdi descent from the city of Yazd, who made Mamuniyeh his home. His vision, love and dedication, in addition to his significant contributions in both education and development, brought many of the modern infrastructures and amenities to the community, resulting in the prosperity of the city as well as the county.