Professor Yongyudh Vajaradul (Thai: ยงยุทธ วัชรดุลย์, 18 August 1940, Chiang Mai, Thailand) is a pioneer in the field of tissue banking and the use of bone allografts in orthopedic surgery, and serves as chairman of the World Buddhist Scout Brotherhood. Yongyudh established the at Siriraj Hospital in 1984, and Thailand became the tissue banking leader of the region.