Kosinsky District (Russian: Коси́нский райо́н; Komi-Permyak: Кӧсладор район, Köslador rajon) is an administrative district (raion) of Komi-Permyak Okrug of Perm Krai, Russia; one of the thirty-three in the krai.

[4] It is located in the northwest of the krai.

The area of the district is 3,462 square kilometers (1,337 sq mi).

[2] Its administrative center is the rural locality (a selo) of Kosa.

[3] The Kosa River (a tributary of the Kama) flows through the district.