Center Moriches (/moʊˈrɪtʃɪz/ ⓘ moh-RITCH-iz)[2] is a hamlet and census-designated place in Suffolk County, New York, United States.

There were 2,465 housing units at an average density of 491.6 per square mile (189.8/km2).

17.4% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older.

Radio station WJVC at 96.1 FM is licensed to serve Center Moriches.

Center Moriches features in the episode “On a Country Road” of the 1950s CBS Radio drama Suspense, starring Cary Grant.