Hajji Kola-ye Olya () is a village in Dabuy-ye Shomali Rural District of Sorkhrud District, Mahmudabad County, Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 440 in 126 households. The following census in 2011 counted 433 people in 139 households. The 2016 census measured the population of the village as 546 people in 190 households.