Aviz
Aviz may refer to:
- Aviz, Fars, a village in Fars Province, Iran
 - Aviz, the medieval name of Avis, Portugal
 - Aviz, South Khorasan, a village in South Khorasan Province, Iran
 - Tarik Aviz, a village in Lorestan Province, Iran
 - Aviz Rural District, in Fars Province, Iran
 - House of Aviz, a dynasty of the kings of Portugal
 - Order of Aviz, a Portuguese Order of Chivalry
 - Order of Aviz (Brazil), a former Imperial Brazilian military order, originating from the ancient Portuguese Military Order of Aviz