Ľudovít Varga was a Slovak painter, a participant of the Slovak National Uprising (SNP).

Studied at the secondary school in Nitra, at the teachers' institute in Modra (1932-1936), at the Department of Drawing and Painting of the Slovak Technical University in Bratislava (1938-1932). During his studies he began to work in the resistance, from 1942 he was an assistant at the SVŠT in Bratislava. From 20 August 1944, correspondent at the headquarters of the ground troops of the Main Command of the Insurgent Army in Banská Bystrica.

During the SNP he designed insurgent posters, collaborated in the preparation of a 4-crown Czechoslovak stamp for the 1st anniversary of the Uprising (the design has not survived). In 1945 arrested, after imprisonment in Bratislava transported to Mauthausen. His work includes landscape painting, portraiture and figurative compositions; in his last creative period he was characterized by ink drawings. He is the author of expressive, colourfully distinctive figurative compositions, expressing the horrors of war.