Bielski is a Polish-language toponymic surname derived from one of placenames derived from the adjective biały, "white": Biała, Białe, Bielsk, Bielsko.[1] The Lithuanized form is Bielskis/Bielskiene/Bielskytė, Latvian: Beslkis, East Slavic: Belsky.
Notable people with the surname include: