Lay Zangan (Persian: لاي زنگان)[a] is a village in, and the capital of, Rostaq Rural District of Rostaq District, Darab County, Fars province, Iran.

[4] The previous capital of the rural district was the village of Rostaq,[5] now a city.

[6] At the time of the 2006 National Census, the village's population was 2,429 in 614 households.

[8] The 2016 census measured the population of the village as 1,999 people in 639 households.

This Darab County location article is a stub.