Mazubon-e Olya () is a village in Katra Rural District of Nashta District in Tonekabon County, Mazandaran province, Iran.
At the time of the 2006 National Census, the village's population was 548 in 162 households. The following census in 2011 counted 572 people in 206 households. The 2016 census measured the population of the village as 586 people in 225 households.