The Boksyk (Kazakh: Боқсық) or Baksuk (Russian: Баксук) is a river in Bulandy and Astrakhan districts, Akmola Region, Kazakhstan.

The river is known as Kairakty in its upper reaches, down to Kapitonovka village.

It flows in a roughly SSW direction all along its course and joins the right bank of the Kalkutan a little upstream from the mouth of the Arshaly, near Yagodnoye.

There are a number of lakes in the Boksyk basin, the largest of which is Taldykol, by Vorobyovka.

[3][4] This article related to a river in Kazakhstan is a stub.