Martuk (Kazakh: Мәртөк, Märtök) is a village and the administrative center of Martuk district of Aktobe Region in Kazakhstan.
It is located at a height of 181 m above sea level.
[1] At the 2012 census, Martuk had a population of 9513.
Martuk has a humid continental climate (Köppen: Dfa),[2] with hot summers and very cold winters.