Priscilla M. Wehi (nee McCallum) is a New Zealand ethnobiologist and conservation biologist.

As at July 2021 she is an associate professor at the University of Otago and on the first of that month officially undertook the role of director of Te Pūnaha Matatini, a centre of research excellence in complex systems and data analytics.

Wehi has a master's degree from Lincoln University, where she studied brushtail possums.

[5] Her doctoral thesis was entitled Harakeke (Phormium tenax) ecology and historical management by Maori: The changing landscape in New Zealand.

[14] In 2014 Wehi was granted a Royal Society Te Apārangi Rutherford Discovery Fellowship.