Obovaria haddletoni
Conservation status
Critically endangered, possibly extinct  (IUCN 3.1)[1]
Presumed Extinct  (NatureServe)[2]
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Obovaria
Species:	O. haddletoni
Binomial name
Obovaria haddletoni (Athearn, 1964)

Obovaria haddletoni is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is endemic to the United States.

This species was formerly in the genus Lampsilis, and was moved to Obovaria in 2008 based on morphological and zoogeographic analysis.^{[citation needed]}