Yessis

Yessis is a surname of Slavic origin. In English-language usage, the spelling Yessis reflects a transliteration of a Cyrillic surname, and variants may arise from different transliteration practices or languages. The name appears among individuals in the former Soviet Union and in diaspora communities, and it has surfaced in public writing about athletics, sports science, and coaching.

Notable people with the surname include Andrey Yessis (also spelled Andrei Yessis), a Russian-born American sport scientist and coach who has written about biomechanics and Russian training methods. He is known for promoting the idea that principles from Russian sports science can inform Western training practice, and for contributing to books, articles, and seminars related to applied biomechanics and athletic conditioning. Beyond this, the surname Yessis is relatively uncommon, and publicly documented information about other individuals bearing the name is limited.