Boris Davidovich Belkin (Russian: Борис Давидович Белкин; born 26 January 1948) is a Soviet-born violin virtuoso.

He studied at the Central Music School at the Moscow Conservatory with Professors Yuri Yankelevich Felix Andrievsky and Isaac Stern.

Conductors with whom he has collaborated, include Bernstein, Ashkenazy, Mehta, Maazel, Muti, Ozawa, Sanderling, Rudolf Barshai, Temirkanov, Dohnányi, Dutoit, Gelmetti, Herbig, Tennstedt, Rattle, Haitink, Berglund, Mata, Chung, Hirokami, Fedoseyev, Ahronovich, Groves, Leinsdorf, Steinberg, Welser-Möst, Lazarev, Doron Salomon, Simonov and many others.

Highlights of the 2007–2008 season include a tour with St. Petersburg Philharmonic and conductor Temirkanov, a tour in South America, concerts with the NHK Symphony Orchestra in Tokyo and performing the Sibelius Concerto with Sydney Symphony and Ashkenazy, concerts in London, Berlin, Barcelona, Rome.

Since 1987 Boris Belkin has held master classes at the Accademia Musicale Chigiana in Siena, Italy, and since 1997 he is a faculty member at the Maastricht Academy of Music in the Netherlands.