ʻEwa Gentry is a housing development and, as Ewa Gentry, a census-designated place (CDP) located in the ʻEwa District and the City & County of Honolulu on the leeward side of Oʻahu in Hawaiʻi about twelve miles (19 km) from Honolulu.

In the late 19th century to early 20th century, ʻEwa was one of the large population centers on the Island of Oʻahu, with industry focused around sugar cane production.

Sugar cane is no longer grown on the ʻEwa Plain and ʻEwa Gentry is now part of Oʻahu's new suburban growth center—an area of substantial sprawl spreading unbroken to the south to ʻEwa Gentry, north to Honouliuli, and west to Kalaeloa and Kapolei.

ʻEwa Gentry is located at 21°20'22" North, 158°1'47" West (21.339441, -158.029725),[3] inland from ʻEwa Gentry on the west side of the main thoroughfare, Fort Weaver Road (State Rte.

20.8% of all households were made up of individuals, and 1.2% had someone living alone who was 65 years of age or older.

Out of the total population, 0.9% of those under the age of 18 and 0.0% of those 65 and older were living below the poverty line.