Dr. Albert R. Shadle (1885–1963) was an American biologist noted for his research into porcupines and beavers. From 1919 until 1953, Shadle served as chairman of the biology department, and was instrumental in the advancement of science education, at the State University of New York at Buffalo. He also acted as a professor of biology whose pupils included noted entomologist Maynard Jack Ramsay.