Arthur Holmes Howell (3 May 1872 – 10 July 1940) was an American zoologist most notable for his field work on mammals and birds in Alabama, Arkansas, Florida, Georgia, Idaho, Illinois, Kentucky, Louisiana, Missouri, Montana, New Mexico, and Texas.
Howell was born in Lake Grove, New York.
In 1889, he became a member of the American Ornithologists' Union.
By 1895, he accompanied Vernon Bailey as field assistant during surveys in Montana, Idaho, Washington, and Oregon.
Howell described several mammals and birds, including the gray bat, the Cape Sable seaside sparrow, and the red-tailed chipmunk.