Leon F. Harvey (October 20, 1837 – November 19, 1912) was an American entomologist, physician, and dentist.

He was a founding member of the Buffalo Society of Natural Sciences, serving as its first treasurer and later as its president.

[1][2] He completed his medical education at Thomas Jefferson University in 1859, and practiced medicine and dentistry in Baltimore and Buffalo.

[2] He was an avid amateur entomologist and published scientific articles on the butterflies and moths of North America, including descriptions of new species, such as the white flower moth.

[3] Harvey died in 1912 at age 75, in New Rochelle, New York.