''Cooperia'' is the scientific name of two genera of organisms and may refer to:
*
''Cooperia'' (nematode), a genus of nematodes in the family
Cooperiidae
Cooperiidae is a family of nematodes that are one of the most common intestinal parasitic nematode
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), wit ...
, including the species ''
Cooperia oncophora
''Cooperia oncophora'' is one of the most common intestinal parasitic nematodes in cattle in temperate regions. Infections with ''C. oncophora'' may result in mild clinical symptoms, but can lead to weight loss and damage of the small intestine, ...
''
*
''Cooperia'' (plant), a genus of plants in the family Amaryllidaceae, now considered a synonym of ''Zephyranthes''
{{Genus disambiguation