Loek Dikker (born 28 February 1944) is a Dutch pianist, conductor, and composer.

[1] Dikker is known for his scores for the films The Fourth Man, Body Parts, and Rosenstraße, among others.

[2] After training as a classical pianist, Dikker became a jazz musician after seeing a 1959 televised performance by Horace Silver and Sonny Rollins.

[3] He later performed in the bands of Hans Dulfer and Theo Loevendie, and with American instrumentalists Oliver Nelson, Cannonball Adderley, and Don Byas.

[5] He is also a board member of FFACE, the Federation of Film and Audiovisual Composers of Europe.