Atygay (Kazakh: Атығай; Russian: Атыгай) is a salt lake in the Ekibastuz City Administration, Pavlodar Region, Kazakhstan.

[1] Atygay is one of the main lakes surrounding Ekibastuz and is located 6.5 kilometers (4.0 mi) to the ENE of the city.

[2][1] Atygay is a natural salt lake that is used as an evaporation reservoir for the wastewater of Ekibastuz city.

The polluted water drains through a ditch from a small lake located 2 kilometers (1.2 mi) to the NW where the solid waste settles.

Lake Atygay has fish, such as perch, that reach big sizes and attract fishermen.