Daydar-e Olya () is a village in Ijrud-e Pain Rural District of Halab District in Ijrud County, Zanjan province, Iran.
At the time of the 2006 National Census, the village's population was 142 in 43 households. The following census in 2011 counted 141 people in 50 households. The 2016 census measured the population of the village as 52 people in 18 households.