Mananti Sitompul (EVO: Mananti Sitompoel; 9 June 1909 – c. 1980), was a Christian Indonesian politician from North Sumatra. A member of the Indonesian Christian Party (Parkindo), he served in a number of national cabinets during the Indonesian National Revolution. Born in Pahae, North Tapanuli, he studied at the Technische Hoogeschool te Bandoeng (THB), and graduated as a civil engineer in 1939. Subsequently, he worked at the Waterloopkundig Laboratory and later at the Waterstaatsdienst. During the Japanese occupation, he became the head of the Provinciale Waterstaat of West Java, before he moved to Sukabumi and later Jakarta, to work in the Public works office.