Vilhelm is a masculine given name, the Scandinavian form of William. Notable people with the name include:
Vilhelm Bjerknes (1862–1951), Norwegian physicist, founder of modern meteorologyVilhelm Buhl (1881–1954), Prime Minister of Denmark in 1942 and again in 1945Vilhelm Carlberg (1880–1970), Swedish Olympic champion shooterVilhelm Dahlerup (1826–1907), Danish architectVilhelm Hammershøi (1864–1916), Danish painterVilhelm Moberg (1898–1973), Swedish author, playwright and historianJohannes Vilhelm Jensen (1873–1950), Danish writer, Nobel Prize laureateVilhelm Thomsen (1842–1927), Danish linguist and TurkologistVilhelm Wolfhagen (1889–1958), Danish amateur football player