Qeshlaq-e Seyyedlar Dadalu Hoseyn Ali () is a village in Qeshlaq-e Jonubi Rural District of Qeshlaq Dasht District in Bileh Savar County, Ardabil province, Iran.
At the time of the 2006 National Census, the village's population was 31 in eight households. The following census in 2011 counted a population below the reporting threshold. The 2016 census measured the population as 27 people in six households.