Mazraeh-ye Khalaf () is a village in Dasht Rural District of the Central District in Meshgin Shahr County, Ardabil province, Iran.
At the time of the 2006 National Census, the village's population was 1,144 in 268 households, when it was in Meshgin-e Gharbi Rural District. The following census in 2011 counted 1,115 people in 319 households. The 2016 census measured the population of the village as 1,067 people in 331 households, by which time Mazraeh-ye Khalaf had been transferred to Dasht Rural District.