New Gretna (pronounced /gɹ'εtnʌ/) is an unincorporated community and census-designated place (CDP)[6] located within Bass River Township in Burlington County, in the U.S. state of New Jersey.

[7] The area is served as United States Postal Service ZIP Code 08224.

[3] As of the 2010 United States Census, the population for ZIP Code Tabulation Area 08224 was 573.

New Jersey Transit provides bus service to and from Atlantic City on the 559 route.

[12] New Gretna is served by exits 50 and 52 of the Garden State Parkway.