Mark Feldman (born 1955 in Chicago, Illinois, United States) is a jazz violinist.
Feldman worked in Chicago from 1973 to 1980, and in Nashville, Tennessee from 1980 to 1986. He worked in New York City and Western Europe from 1986. Feldman often works with John Zorn, Sylvie Courvoisier, John Abercrombie, Dave Douglas, Uri Caine, and Billy Hart. He has played on recordings by Michael Brecker, Lee Konitz, Joe Lovano, and Chris Potter. At New York's Lincoln Center he played in duo with pianists Paul Bley and Muhal Richard Abrams.
In 2006, Feldman's recording What Exit was released on ECM, as was his recording with Sylvie Courvoisier Malphas: Book of Angels Vol.3 (Tzadik). In 1995 he released Music for Violin Alone, a collection of his compositions, on Tzadik Records. In 2000 he released Book of Tells on Enja Records, a recording of his compositions for string quartet.