Watsonia can refer to:
*
''Watsonia'' (gastropod), a genus of sea snails in the family Caecidae
*
''Watsonia'' (plant), a genus of flowering plants in the iris family
*
''Watsonia'' (journal), now the ''New Journal of Botany''
*
Watsonia, Victoria, a suburb of Melbourne, Australia
{{disambiguation
Genus disambiguation pages