Ostrolensky () is a rural locality (a village) in Nagaybaksky District, Chelyabinsk Oblast, in the Asian part of Russia. It has a population of
The settlement was founded in 1842âÂÂ1843, and named after the Polish city of Ostroà ÂÃÂka, to commemorate the Battle of Ostroà ÂÃÂka (1831).
Distribution of the population by ethnicity according to the 2021 census: