Bruce David Gertz (born December 15, 1952, Providence, Rhode Island) is an American jazz bassist.
Gertz first learned to play guitar, then switched to bass guitar as a teenager, playing with local blues and rock groups.
He worked with George Garzone in the Overtones in the late 1970s and was a co-leader of ensembles with Jerry Bergonzi from 1978 to 1989.
From 1982 to 1985 he was house bassist for the Willow Jazz Cafe in Somerville, Massachusetts.
In the 1990s he worked with John Abercrombie, Joey Calderazzo, Ken Cervenka, Adam Nussbaum, Danilo Perez, Dan Reiser, Kurt Rosenwinkel, George Schuller, and others.