Mahidar-e Olya (, also Romanized as Māhīdar-e ‘Olyā and Māhīdar ‘Olyā) is a village in Khvor Khvoreh Rural District of Emam District, Saqqez County, Kurdistan province, Iran. The village is populated by Kurds.
At the 2006 National Census, its population was 703 in 118 households, when it was in Ziviyeh District. The following census in 2011 counted 624 people in 144 households. The latest census in 2016 showed a population of 513 people in 112 households, by which time the rural district had separated from the district in the establishment of Emam District. It was the largest village in its rural district.