Lācis
Lācis is a Latvian surname, derived from the Latvian word for "bear". Individuals with the surname include:
- Asja Lācis, Latvian actress
- Dzintars Lācis, Latvian cyclist
- Kārlis Lācis, Latvian composer
- Vilis Lācis, Latvian author and Premier of Latvian SSR