Ananda Wahihana Palliya Guruge was a Sri Lankan diplomat, buddhist leader and writer.

He was the former Ambassador Extraordinary and Plenipotentiary of Sri Lanka to UNESCO, France, and the United States (with non-resident accreditation to Spain, Algeria, and Mexico) from 1985 to 1994, and an adjunct professor of Religious Studies at Cal State Fullerton.

Guruge was educated at Dharmaraja College and graduated from the University of Ceylon with a BA, first class honors in Sanskrit. He later gained a government scholarship to pursue a PhD at the University of London.

Active in international Buddhist leadership, Professor Guruge was a Vice President of the World Fellowship of Buddhists, the Patron of the European Buddhist Union, and the Dean of Academic Affairs and Director of the International Academy of Buddhism at the University of the West (formerly Hsi Lai University) in Rosemead, California. He was also an adjunct professor of Buddhism, Hinduism, and Peace Studies at California State University, Fullerton. Dr. Guruge was the Liaison Officer to the United Nations and UNESCO for the World Fellowship of Buddhists, and served as Chairman of the World Buddhist University Council. He also served as an editor of Hsi Lai Journal of Humanistic Buddhism.

Dr. Guruge authored 53 books in Sinhala and English, including What In Brief Is Buddhism, Free At Last in Paradise, Serendipity of Andrew George, Peace At Last in Paradise, and The Unforgettable Dharmapala. He published over 175 research articles on Asian history, Buddhism, and education, and translated the Mahavamsa into English.