Dioxys may refer to:
*
''Dioxys'' (bee), a genus of bees in the family Megachilidae
*
''Dioxys'' (alga), a genus of algae in the family
Characiopsidaceae
Characiopsidaceae is a family of algae belonging to the order Mischococcales.
Selected genera:
* '' Characidiopsis'' Pascher
* '' Characiopsis'' Borzì
* ''Chlorothecium
''Chlorothecium'' is a genus of algae
Algae ( , ; : alga ) ar ...
{{Genus disambiguation