Tavilan-e Sofla (Persian: طويلان سفلي)[a] is a village in, and the capital of, Kolyai Rural District of Pirsalman District, Asadabad County, Hamadan province, Iran.

[4] At the time of the 2006 National Census, the village's population was 1,088 in 224 households, when it was in the Central District.

[7] The 2016 census measured the population of the village as 927 people in 284 households.

It was the most populous village in its rural district.

This Asadabad County location article is a stub.