''Catonia'' may refer to:
*
''Catonia'' (planthopper), a genus of planthoppers in the family
Achilidae
Achilidae is a family of planthoppers, sometimes called "achilids" in the order Hemiptera
Hemiptera (; ) is an order of insects, commonly called true bugs, comprising more than 80,000 species within groups such as the cicadas, aphids, pla ...
* ''Catonia'', a genus of plants in the family Melastomataceae, synonym of ''
Miconia
''Miconia'' is a genus of flowering plants in the glory bush family, Melastomataceae, native to warm temperate to tropical regions of the Americas. The species are mostly shrubs and small to medium-sized trees up to 15 m tall. The generic name ...
''
* ''Catonia'', a genus of plants in the family Symplocaceae, synonym of ''
Symplocos
''Symplocos'' is a genus of flowering plants in the order Ericales. It contains about 300 species distributed in Asia and the Americas. Many species grow in humid tropical regions. This is sometimes considered to be the only genus in family Sympl ...
''
{{Genus disambiguation