Olyshivka is a rural settlement located in the Chernihiv Raion of the Chernihiv Oblast in northern Ukraine. It is situated approximately 20 kilometres (12 mi) south of the city of Chernihiv.
The settlement serves as the administrative center for the Olyshivka settlement hromada, which is one of the various hromadas within Ukraine. As of recent records, the population of Olyshivka is 1,794 residents.