Look up lumpen in Wiktionary, the free dictionary.
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.