Thierry Mechler (born 1962) is a French organist and organ and improvisation teacher at the Hochschule für Musik und Tanz Köln.

He studied music at Mulhouse, then at the conservatoire à rayonnement régional de Strasbourg in the organ class of Daniel Roth.

He resides in Guebwiller[2] with his wife, the German illustrator Suzanne Janssen-Mechler[3] with whom he gives concerts, and his three children (2 sons, 1 daughter).

The AOT in partnership with the Haut-Rhin (Department) has organised "Musicales", recitals where Thierry Mechler played Bach, Vierne as well as personal compositions, alone or with his wife.

In March 2007 he founded the ensemble "Tonalis", which brings together various instrumentalists, soloists and conservatory teachers, on the occasion of a concert presenting Bach's concertos, given as part of the Festival of the Dominicans of Haute-Alsace.