Akira Miyawaki (宮脇 昭, Miyawaki Akira, born 29 January 1928) is a Japanese botanist and expert in plant ecology, specializing in seeds and the study of natural forests. He is active worldwide as a specialist in the restoration of natural vegetation on degraded land. Since 1993, he has been Professor Emeritus at Yokohama National University and Director of the Japanese Center for International Studies in Ecology.