Thomas Lehn (born 1958) is a German-born piano and synthesizer player active in free improvisation and contemporary music.
Lehn has recorded with Marcus Schmickler, Keith Rowe, John Butcher, Phil Minton, Phil Durrant, Radu Malfatti, Axel Dörner, Cor Fuhler, Gerry Hemingway, Andy Moor of The Ex, and is a member of the electronic orchestra M.I.M.E.O..
In 1997 Lehn formed a free improvisation band Konk Pack. They have released three CDs.
- Big Deep (1999)
- Warp Out (2001)
- Off Leash (2005)