| Official Name: | Beyneu |
| Native Name: | Beineu Бейнеу |
| Pushpin Map: | Kazakhstan |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 280 |
| Pushpin Map Caption: | Location in Kazakhstan |
| Population Total: | 40 344 |
| Coordinates: | 45.3247°N 55.1958°W |
Beyneu 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. The gas pipeline of the Central Asia–Center gas pipeline system metering station at Beyneu on the border with Uzbekistan. 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.