Harmandia may refer to:
*
''Harmandia'' (fly), a genus of flies in the family
Cecidomyiidae
Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are very fragile small insects us ...
*
''Harmandia'' (bivalve), a genus in family
Unionidae
The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids.
The range of distribution for this family is world-wide. It is at its most dive ...
* ''Harmandia'', a genus of plants in the family Olacaceae with one species ''
Harmandia mekongensis''
{{Genus disambiguation