Anadyr may refer to:
- Anadyr (town), a town and the administrative center of Chukotka Autonomous Okrug, Russia
- Anadyr River, a river in Russia
- Operation Anadyr
- Gulf of Anadyr
- Anadyr Estuary
- Anadyr Bay may refer to the Gulf of Anadyr or to Anadyr Estuary or its outer part.
- Anadyrsk an early Cossack fort and settlement on the middle part of the Anadyr river, approx. 1650-1764