Tan Bela (Persian: تنبلا)[a] is a village in Dasht-e Kenar Rural District of the Central District of Simorgh County, Mazandaran province, Iran.

At the time of the 2006 National Census, the village's population wa 406 in 104 households, when it was in Kiakola Rural District of the former Kiakola District of Qaem Shahr County.

[5] The 2016 census measured the population of the village as 472 people in 168 households, by which time the district had been separated from the county in the establishment of Simorgh County, and the rural district was transferred to the new Central District.

[6] It was the most populous village in its rural district.

This Simorgh County location article is a stub.