Quiogue is a hamlet and census-designated place (CDP) in the Town of Southampton, in Suffolk County, New York, United States. The population was 816 at the 2010 census. The name of the CDP was corrected from "Quioque" to "Quiogue" by the U.S. Census Bureau in 2010.

Southampton, officially the Town of Southampton, is a town in southeastern Suffolk County, New York, partly on the South Fork of Long Island. As of the 2020 U.S. census, the town had a population of 69,036. Southampton is included in the stretch of shoreline prominently known as the Hamptons.