Maureen Ann Donnelly (born 1954) is an American herpetologist based at Florida International University.

[2][3] Following her Ph.D., she held postdoctoral positions at the American Museum of Natural History and the University of Miami.

She joined the faculty of Florida International University in 1994 and, as of 2022, is a professor in the biological sciences department.

[6][7] She has examined the loss of amphibians and reptiles, using Costa Rica as a model for global issues with biodiversity.

[8] In 2017 Donnelly received the Robert K. Johnson Award for Excellence in Service from the American Society of Ichthyologists and Herpetologists.