MAZ may refer to:

• IATA code for Eugenio María de Hostos Airport, Mayagüez, Puerto Rico
• Minsk Automobile Plant, abbreviated in Belarusian as MAZ
• Myc-associated zinc finger protein, a protein encoded by the MAZ gene
• Maz, a village in Iran
• Mammalian assemblage zone, a collection of fossil mammal bones

• Insulin-dependent diabetes
• Insulinde (political party)
• Insulinde (Political Party)
• Insulin for Life USA
• Insulin-glucagon protease
• Insulin-like 3
• Insulin-like 5
• Insulin-like growth factor-2
• Insulin-like growth factor-binding protein 3
• Insulin-like growth factor binding protein-4 protease
• Insulin-like growth factor receptor
• Insulin-like growth factor receptor 1
• Insulin-like growth factor receptor 2
• Insulin-like growth factor receptors
• Insulin mimetic
• Insulin oscillations
• Insulin protease
• Insulin proteinase
• Insulin Pump
• Insulin receptor substrate-1
• Insulin signal transduction pathway
• Insulin (song)
• Insulin-specific protease
• Insulin therapy
• Insull, Kentucky