Azo may refer to a number of topics:

• For the chemistry functional group and class of compounds, see Azo compound.
• For the medieval Italian jurist, see Azo (Jurist).
• For the Georgian culture hero, see Azo (Georgian history).
• For the airport serving SW MI, Kalamazoo Battle Creek Intl., see Kalamazoo-Battle Creek International Airport

AZO may refer to a number of topics:

• For the material, see aluminium-doped zinc oxide(ZnO).