Blow Horn is an album by FJF (Free Jazz Four), a quartet formed by Swedish saxophonist Mats Gustafsson and American reedist Ken Vandermark with the Chicago's NRG Ensemble rhythm section of bassist Kent Kessler and drummer Steve Hunt.

It was recorded in 1995 and released on Okka Disk.

[1] In his review for AllMusic, Tim Sheridan states: "This is improvised music with little form, but plenty of invention.

"[2]