Ewa or EWA may refer to:
Places
Ethiopia
Ewa (woreda)
Nauru
Ewa District, Nauru
United States
Eastern Washington, the portion of the state of Washington east of the Cascade Range
ʻEwa Beach, Hawaii, a census-designated place
Ewa District, Hawaii, an ancient Hawaiian district of Oahu
ʻEwa Gentry, Hawaii, a census-designated place
ʻEwa Villages, Hawaii, a census-designated place
Other uses
Earned wage access
Eldercare Workforce Alliance
Electronic-warfare aircraft
Ewa (given name)
Ewa, a sailing vessel later renamed Norda
Ewá, Yoruba deity of death and decomposition
Ewa Air, a French airline in Mayotte
Ewa reactor, Poland's first research nuclear reactor
Marine Corps Air Station Ewa, a former air station in Hawaii