Ludvig is a Scandinavian given name, the equivalent of English Lewis or Louis. People with the name include:
Ludvig Åberg, Swedish professional golfer
Ludvig Almqvist, Swedish politician
Ludvig Aubert, Norwegian Minister of Justice
Ludvig Bødtcher, Danish lyric poet
Ludvig G. Braathen, Norwegian shipping magnate and founder of the Braathens airline Ludvig Daae (disambiguation) Ludvig Engsund (born 1993), Swedish ice hockey goaltender Ludvig Faddeev, Russian theoretical physicist and mathematician Ludvig Gade, Director of Royal Danish Ballet 1877–1890 Ludvig Hammarskiöld, Swedish officer and military historian Ludvig Hektoen, American pathologist Ludvig Holberg, Danish-Norwegian writer and playwright Ludvig Holstein-Holsteinborg, Danish politician Ludvig Holstein-Ledreborg, Danish politician Ludvig Mylius-Erichsen, Danish explorer Ludvig Nobel, Swedish engineer, businessman and humanitarian Ludvig Schytte, Danish composer, pianist, and teacher Ludvig Strigeus, Swedish programmer