Tatar-e Olya (Persian: تاتارعليا) is a city in the Central District of Ramian County, Golestan province, Iran.

At the 2006 census, its population was 4,709 in 1,074 households, when it was a village in Daland Rural District. The following census in 2011 counted 4,785 people in 1,299 households. The latest census in 2016 showed a population of 4,782 people in 1,317 households, by which time the village had been elevated to the status of a city.