Zemtsov may refer to:

• Mikhail Zemtsov (1688-1743), Russian architect
• 25094 Zemtsov, an asteroid

• Insulating gas
• Insulating materials
• Insulating oil
• Insulating tape
• Insulation (building)
• Insulation Council of Australia
• Insulation Council of Australia and New Zealand
• Insulation (disambiguation)
• Insulation (for buildings)
• Insulation material
• Insulation materials
• Insulation tape
• Insulation (thermal)
• Insulator
• Insulator (disambiguation)
• Insulator (electric)
• Insulator (Electrical)
• Insulator Museum
• Insula Şerpilor
• Insuli
• Insulin autoantibodies
• Insulin autoantibody
• Insulinde
• Insulin degludec
• Insulin dependent diabetes