Sazeman-e Ettehad-e Yek va Do () is a village in Mazraeh-ye Shomali Rural District of Voshmgir District in Aqqala County, Golestan province, Iran.
At the time of the 2006 National Census, the village's population was 1,005 in 205 households. The following census in 2011 counted 661 people in 196 households. The 2016 census measured the population of the village as 735 people in 195 households.