John Edward Blake Jr. (July 3, 1947 – August 15, 2014) was an American jazz violinist from South Philadelphia. He performed most prominently as a sideman in groups led by Grover Washington Jr. (in the late 1970s) and McCoy Tyner (in the early 1980s), as well as led his own groups. He died on August 15, 2014 from complications of multiple myeloma.