Ali Mohammadlu () is a village in Meshgin-e Sharqi 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 21 in six households. The following census in 2011 counted a population below the reporting threshold. The 2016 census measured the population of the village as 26 people in nine households.