László Nagy may refer to:
- László Nagy (Scouting) (1921–2009), Secretary General of the World Organization of the Scout Movement from 1968 to 1985
- László Nagy (figure skater) (1927–2005), figure skater
- László Nagy (politician), in the List of observers to the European Parliament for Slovakia, 2003–04
- László Nagy (poet) (1925–1978), Hungarian poet
- László Nagy (footballer) (born 1949), football (soccer) player
- László Nagy (handballer) (born 1981), Hungarian handball player
- László Nagy (canoeist), Hungarian sprint canoeist
- László Moholy-Nagy (1895–1946), Hungarian artist, designer and Bauhaus instructor
- László B. Nagy (born 1958), Hungarian politician
- László Nagy (runner) (born 1975), Hungarian long-distance runner
- László Nagy (decathlete) (born 1960), Hungarian decathlete