Yair Kless (Hebrew: יאיר קלס; born November 12, 1940) is an Israeli violinist and professor.
Kless began performing at an early age, attaining a world-wide reputation in his activities like soloist and chamber musician.
Yair has performed the majority of the sonata repertoire, collaborating with outstanding musical partners such as Nadia Reisenberg, Pnina Salzman, Shoshana Rudiakov, Arie Vardi, Victor Derevianko and Frank Wibout.
He is also a guest professor in master classes in the United States, the former Soviet Union, Germany, Ireland, Finland, France, Australia, England, Italy, Poland and the Netherlands.
Since 1995, Kless has divided his time between Europe - as professor at the University of Music and Performing Arts Graz (Austria) - and Israel.