Seiten or Seyten (Kazakh: Сейтен) is a salt lake in Sharbakty District, Pavlodar Region, Kazakhstan.

[1] The lake lies 14 kilometers (8.7 mi) to the southwest of Chigirinovka village, about 60 kilometers (37 mi) west of the Russia-Kazakhstan border.

It lies in a tectonic depression of the Kulunda Plain, about 50 kilometers (31 mi) to the SSE of lake Maraldy.

[2] The shape of the lake is almost round and its shore is steep all around, with cliffs rising to heights between 3 meters (9.8 ft) and 13 meters (43 ft).

The water of the lake is bitter, not suitable for agricultural purposes.