Desmodium fernaldii is a species of flowering plant in the family Fabaceae.

Desmodium fernaldii is a herbaceous perennial plant.

Desmodium fernaldii was first described by the American botanist Bernice Schubert in 1950.

[4] The specific name fernaldii honors American botanist Merritt Lyndon Fernald "whose intensive work on the flora of [Virginia] has clarified many floristic problems of long standing".

Desmodium fernaldii is native to the southeastern United States.