Oyster Bay may refer to:
Places
Australia
- Oyster Bay, New South Wales, a suburb of Sydney
- Great Oyster Bay, a bay on the east coast of Tasmania
Asia
- Oyster Bay station (MTR), a proposed MTR station on the Tung Chung line in Hong Kong
South Africa
- Oyster Bay, Eastern Cape, a small coastal hamlet and resort
Tanzania
- Oyster Bay, Tanzania, a resort town and suburb of Dar es Salaam
United States
- Oyster Bay, New York, a town in Nassau County on Long Island, New York
- Oyster Bay Cove, New York, a village within the town of Oyster Bay
- Oyster Bay (hamlet), New York, a hamlet within the town of Oyster Bay
- Oyster Bay (inlet), also Oyster Bay Harbor, an inlet on the north shore of Long Island, New York
- Oyster Bay station, the terminus of the Long Island Rail Road Oyster Bay Branch
- South Oyster Bay, a lagoon off the southern shore of Long Island, New York
- Massapequa, New York, which was called South Oyster Bay until late in the 19th century
- Oyster Bay (Puget Sound), a small bay in Totten Inlet, at the south end of Puget Sound in Washington
Ships
- USS Oyster Bay (AGP-6), a United States Navy motor torpedo boat tender and later seaplane tender