Topchi may refer to:

• Topchi or Topçu, a village and municipality in the Ismailli Rayon of Azerbaijan.
• Topchi or Tupchi, Afghanistan, a village in Bamyan Province of Afghanistan
• Topchi or Tupchi, Iran, a village in East Azerbaijan Province, Iran

• Khasinsky Raion
• Khasi pine
• Khasi Pine
• Khasiri
• Khasi–Khmuic
• Khaskhong language
• Khas Kola
• Khas Kuh
• Khas Kuhi
• Khas language
• Khaslu
• Khas Mahal (Red Fort)
• Khasmakh
• Khas Morad
• Khasnor Johan
• Khas-Ochiryn Luvsandorj
• Khasonke language
• Khasraj
• Khasraj-e Beyt-e Qashem
• Khasraj-e Khalaf
• Khasraj-e Mazban
• Khasraj-e Mezban
• Khasraj-e Nazban
• Khasraj-e Owdeh
• Khasraj-e Razi Mohammad