Polonne (Ukrainian: Полонне) is a city on the Khomora River in the Khmelnytskyi Oblast (province) of western Ukraine. It is the administrative center of the Polonne Raion (district), and is located at around 50°7′0″N 27°31′0″E / 50.116667°N 27.516667°E / 50.116667; 27.516667.