Lumpen

Lumpen can refer to:
 * Lumpen (magazine), an American art and politics magazine
 * Lumpen journal, A Journal of Poor and Working Class writing
 * Lumpenproletariat, a term in Marxist sociology
 * Lumpenbourgeoisie
 * Swedish slang for military service, adopted by armed forces as a near-formal word
 * LUMPENS, a South Korean visual art studio.