Carancahua may refer to:
*
Carancahua Bay
Carancahua Bay is a northern extension of Matagorda Bay located in Jackson County, Texas, Jackson and Calhoun County, Texas, Calhoun counties in Texas, United States. It is oriented from the southeast to the northwest but meanders as it reaches t ...
, a body of water in Texas
*
Karankawa people
The Karankawa were an Indigenous people concentrated in southern Texas along the coast of the Gulf of Mexico, largely in the lower Colorado River and Brazos River valleys."Karankawa." In ''Cassell's Peoples, Nations and Cultures,'' edited by John ...
, a native Texan tribe
* ''
Marilopteryx carancahua'', a species of cutworm
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