Carnegia may refer to:
* ''
Carnegiea
The saguaro (, ) (''Carnegiea gigantea'') is a tree-like cactus species in the monotypic genus ''Carnegiea'' that can grow to be over tall. It is native to the Sonoran Desert in Arizona, the Mexican state of Sonora, and the Whipple Mountains ...
'', a cactus genus
*
''Carnegia'' (moth), a moth genus
*
671 Carnegia, a minor planet
{{Disambiguation