Kyriacos A. Athanasiou (born August 1, 1960) is a renowned bioengineer who has contributed significantly to both academic advancements as well as high-technology industries. He is currently a Distinguished Professor at the University of California, Davis where he also serves as the Chair of the Biomedical Engineering department. Before he joined the University of California in 2009, he was the Karl F. Hasselmann Professor at Rice University. He has published hundreds of scientific articles detailing structure-function relationships and tissue engineering approaches for articular cartilage, the knee meniscus, and the temporomandibular joint.