Karamlu () 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 410 in 99 households. The following census in 2011 counted 361 people in 109 households. The 2016 census measured the population of the village as 370 people in 132 households.