Qeshlaq-e Musa Beyg (Persian: قشلاق موسي بيگ) is a village in Tirchai Rural District of Kandovan District in Mianeh County, East Azerbaijan province, Iran. It is also romanized as Qeshlāq-e Mūsá Beyg and known as Qeshlāq-e Mūsá Beyglū.
Location: The village is situated at coordinates 37°39′38″N 47°36′08″E, within the Kandovan District of Mianeh County, in the East Azerbaijan province of northwestern Iran.
Population: According to the 2016 National Census, the village had a population of 258 people living in 80 households. Previous censuses recorded 288 residents in 63 households (2006) and 276 residents in 75 households (2011), indicating a gradual population decline over the decade.
Administrative Division: Qeshlaq-e Musa Beyg falls under the jurisdiction of Tirchai Rural District, which is one of the rural districts within Kandovan District.
