Łobaczewski (feminine: Łobaczewska) is a Polish-language surname. Its Russian-language version is Lobachevski.
- Andrzej Łobaczewski, Polish psychiatrist
- Grażyna Łobaszewska , Polish vocalist and composer
- Stefania Łobaczewska , Polish musicologist
Łobaczewski (feminine: Łobaczewska) is a Polish-language surname. Its Russian-language version is Lobachevski.