If They Only Knew is an album by saxophonist David Liebman which was recorded in the Netherlands in 1980 and released on the Dutch Timeless label.

[1][2][3] The AllMusic review by Richard S. Ginell stated, "this is a thoughtful, often burning quintet session carooming off the bumpers of post-bop, jazz-rock, and the avant-garde.

"[4] All compositions by David Liebman except where noted