Purnima Devi Barman is a wildlife biologist from Assam, India. She is the founder of the Hargila Army, an all-female conservation initiative protecting the greater adjutant stork (Leptoptilos dubius), known locally as the Hargila. In 2022, she was awarded the Champions of the Earth Award in the Entrepreneurial Vision category, UN’s highest environmental honour. In 2017, Purnima was the recipient of both the Whitley Award for her conservation efforts and the Nari Shakti Puraskar, the highest civilian award for women, presented by the President of India.

Purnima is associated with Aaranyak, a leading wildlife NGO based in Guwahati, Assam, as a senior project manager of the Avifauna Research and Conservation Division. She also leads the Women in Nature (WiNN) chapter in India, is a TEDx speaker and was featured by National Geographic India.