Łucki is a Polish-language toponymic surname literally meaning "from/of Łuck". Notable people with this surname include:
Brenda Lucki, first female Canadian police commissioner Jerzy Michał Łucki (1898–1939), Polish bobsledder, military officer and athlete Simḥah Isaac Luzki (1716–1766), qaraim maskil, theologian, kabbalist writer, scholar, bibliographer and spiritual leader