Ulua may refer to:
*
Ulúa River
The Ulúa River (, ) is a river in western Honduras. It rises in the central mountainous area of the country close to La Paz and runs approximately due northwards to the east end of the Gulf of Honduras at . En route, it is joined by the Sula ...
*
San Juan de Ulúa
San Juan de Ulúa, now known as Castle of San Juan de Ulúa, is a large complex of fortresses, prisons and one former palace on an island of the same name in the Gulf of Mexico overlooking the seaport of Veracruz, Mexico. Juan de Grijalva' ...
, a complex located on an island of the same name in the Gulf of Mexico
*
USS ''Ulua'' (SS-428), a submarine of the United States Navy
*
''Ulua'' (fish), a genus of fishes in the family Carangidae
* vernacular name of the species
giant trevally
The giant trevally (''Caranx ignobilis''), also known as the lowly trevally, barrier trevally, ronin jack, giant kingfish, or ''ulua'', is a species of large ocean, marine fish classified in the jack Family (biology), family, Carangidae. The gian ...
(''Caranx ignobilis''), but not in genus ''Ulua'' proper
*
Ulua people, an indigenous people of
El Salvador
El Salvador, officially the Republic of El Salvador, is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south by the Pacific Ocean. El Salvador's capital and largest city is S ...
and
Nicaragua
Nicaragua, officially the Republic of Nicaragua, is the geographically largest Sovereign state, country in Central America, comprising . With a population of 7,142,529 as of 2024, it is the third-most populous country in Central America aft ...
.
{{disambiguation