River Ridge is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States, and a suburb of New Orleans.

The population was 14,588 at the 2000 census.

Jefferson Parish Public Schools operates public schools. Riverdale High School is in the area. St. Matthew Catholic School is in River Ridge. Many of the Catholic high schools are close by such as Archbishop Rummel High School and Archbishop Chapelle. Non-Catholic schools located nearby include St. Martin's Episcopal School, Kehoe-France, John Curtis, and Ridgewood Preparatory School.