Karasuk () is the name of several inhabited localities in Russia.
Urban localities Karasuk, Novosibirsk Oblast, a town in Karasuksky District, Novosibirsk Oblast
Rural localities Karasuk, Altai Krai, a selo in Kokshinsky Selsoviet of Sovetsky District of Altai Krai Karasuk, Altai Republic, a selo in Kyzyl-Ozekskoye Rural Settlement of Mayminsky District of the Altai Republic Karasuk, Republic of Khakassia, a village in Bolsheyerbinsky Selsoviet of Bogradsky District of the Republic of Khakassia