Karasu (Kazakh: Қарасу ауданы, Qarasu audany) is a district of Kostanay Region in northern Kazakhstan.

The administrative center of the district is the selo of Karasu.

[3] Population: 27,879 (2013 estimate);[2] 29,238 (2009 Census results);[4] 37,360 (1999 Census results).

[4] The Ulken Damdi river, as well as lake Kushmurun, are located in the district, the latter at the border with neighboring Auliekol District.

This Kazakhstan location article is a stub.