Oyster Bay may refer to: [edit] Place names - In Australia
- In South Africa
- Oyster Bay, Eastern Cape, South Africa, a small coastal hamlet and resort located about 14km west of St Francis Bay on the Eastern Cape Coast
- In Tanzania
- In the United States
- Oyster Bay (hamlet), New York, a hamlet on the north shore of Long Island, in the Town of Oyster Bay, New York
- Oyster Bay (town), New York, a town in Nassau County on Long Island, New York
- Oyster Bay (inlet), New York, also Oyster Bay Harbor, an inlet on the north shore of Long Island, New York
- 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, Washington, a small bay in Totten Inlet, at the south end of Puget Sound in Washington
- Oyster Bay, Florida, a bay in Lee County, Florida
- USS Oyster Bay (AGP-6), a United States Navy ship in commission as a motor torpedo boat tender (AGP-6) from 1943 to 1946 and out of commission in reserve as a seaplane tender (AVP-28) from 1949 to 1957
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