'''Alveolaria''' may refer to: * ''Alveolaria'' (bryozoan), a fossil genus of bryozoans in the family Cerioporidae * ''Alveolaria'' (fungus), a genus of funguses in the family Pucciniosiraceae * ''Alveolaria'', a genus of polychaetes in the family Sabellariidae, synonym of ''Sabellaria''
{{Genus disambiguation}}