Beyneu (Kazakh: Бейнеу, romanized: Beineu) is a village and the administrative center of Beyneu District in Mangystau Region in western Kazakhstan.

Beyneu began to expand in the 1970s from a village to a city with the discovery of oil in the area.

There is a railway station and, further north in Kasura, there is a Chevron oil plant.

Trains from Russia to Uzbekistan and Tajikistan pass through it.

Beyneu has a highly continental[1] desert climate (Köppen: BWk)[2] with very cold winters and very hot summers.