Estelle is a census-designated place (CDP) in Jefferson Parish, Louisiana, United States. The population was 16,377 at the 2010 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area.
Estelle is south of Marrero, Louisiana; the urbanized areas of the communities meet, and some businesses in Estelle list their addresses as "Marrero".
The Jean Lafitte National Park Barataria Preserve is adjacent to Estelle.