Kermenchyk (Ukrainian: Керменчик; Russian: Керменчик, romanized: Kermenchik) is a rural settlement in southeastern Ukraine.

Administratively, it is located in Staromlynivka rural hromada, Volnovakha Raion, Donetsk Oblast.

It was founded by settlers from Staryi Kermenchyk, (lit.

For some time prior to 2016, it was known as Oktiabrske (Ukrainian: Октябрське; Russian: Октябрьское, romanized: Oktyabrskoye) until it was renamed to its current name as part of decommunization reforms in Ukraine.

This article about a location in Donetsk Oblast is a stub.