Duman can refer to:
- People
- Nurduran Duman (born 1974), Turkish poet, writer, essayist, translator
- Osman Kürşat Duman (born 1987), Turkish footballer
- Ronald Duman, American medical researcher
- Ronnie Duman (1929-1968), American racecar driver
- Other
- Duman (band), a Turkish Rock band
- The Tumen River, which flows between Russia and North Korea