Avian may refer to:

• Bird
• Avian (band), an American metal band
• Avian, Iran, a village in Razavi Khorasan Province, Iran
• Avian Island, an island in Antarctica
• Avro Avian, a series of British light aircraft designed and built by Avro in the 1920s and 1930s
• Avian Limited, a British hang glider manufacturer
• Avian (given name), Russian male first name
• Avian, Friulian name of Aviano, a city in Italy

Aviano , (Davian in Friulian language, Pleif in local dialect) is an Italian village, comune, of 9,270 inhabitants in the province of Pordenone at the foot of the Dolomites mountain range in Friuli-Venezia Giulia, northern Italy.