Avian may refer to:
- Bird
- Avian (band), an American metal band
- Avian, Iran, a village in Razavi Khorasan Province, Iran
- AVIAN International, major international company headquartered in Hungary
- 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
- Aviano or Avian, an Italian city
- Avian JVM, an open-source, lightweight Java virtual machine