Guidonia
# Guidonia

Guidonia may refer to:

* Guidonia Montecelio, an Italian town
* Guidonia P.Browne, a synonym of the plant genus Laetia
* Guidonia (DC.) Griseb. and Guidonia Mill., both synonyms of the plant genus Samyda
* Guidonia (gastropod), an extinct genus; see List of gastropods described in 2010
