Olwen Anne Elisabeth Rasa (born 1940) is a British ethologist. She is known for her works in the knowledge of the social behavior of Dwarf mongoose. She was born in Wales. In the 1970s, she worked for the Max-Planck-Institut.
She was a scientific assistant at Marburg University. She also worked at University of Bayreuth.[1]
Rasa is best known for her role as Associate Professor at Pretoria University, South Africa. She taught ethology and her studies on Yellow mongoose in the Kalahari Desert.