Viktor Sergeyevich Boyko (Russian: Виктор Серге́евич Бойко; (born April 1, 1948, Ichki, the Crimean Region, Soviet Union) is a Russian yoga researcher and therapist. He uses the traditional Yoga Sutras of Patanjali within his own business, the Yoga School of Viktor Boyko, which has several branches in Russia, and is the founder of an online yoga forum. His writings include "Yoga: The Art of Communication".