Vilim is both a surname and a given name. Notable people with the name include:
Given name William "Vilim" Feller (1906–1970), Croatian-American mathematician Vilim Harangozo (1925–1975), Yugoslavia tennis player Vilim Herman (born 1949), Croatian lawyer and politician Vilim Messner (1904–1988), Croatian athlete Vilim Posinković (born 1991), Croatian footballer Vilim Zlomislic, renamed Donald Clarke Andrews, (born 1942), Canadian white supremacist
Surname Rudolf Vilim (1913–1959), Swiss canoeist