Zamen Jan (Persian: ضامن جان)[a] is a village in, and the capital of, Sedeh Rural District of the Central District of Arak County, Markazi province, Iran.

[4] The previous administrative center for the rural district was the city of Senjan,[5] now a neighborhood in the city of Arak.

[4] At the time of the 2006 National Census, the village's population was 1,634 in 486 households.

[7] The 2016 census measured the population of the village as 1,493 people in 520 households.

This Arak County location article is a stub.