Aqa Beyglu () is a village in Arshaq-e Markazi Rural District of Arshaq District in Meshgin Shahr County, Ardabil province, Iran.
At the time of the 2006 National Census, the village's population was 68 in 12 households. The following census in 2011 counted 58 people in 17 households. The 2016 census measured the population of the village as 49 people in 15 households.