Robert A. Kinzie III (died December 31, 2022)[1] was a professor of biology and zoology at the University of Hawaiʻi from 1972 to 2009.[1] He specialized as a limnologist in the study of Hawaii's stream ecosystems and the native amphidromous animal species which inhabit them. He also studied coral reef ecosystems and their interactions with freshwater streams, as well as their reactions to changing environmental conditions.