Marko Letonja (born 12 August 1961) is a Slovenian conductor.
He continued his conducting studies at the Vienna University of Music and Performing Arts, with such teachers as Otmar Suitner.
From 1996 to 2002, Letonja was chief conductor of the Slovenian Philharmonic Orchestra, and from 2003 to 2006, he held the same position with Sinfonieorchester Basel.
From 2011 through the end of 2018, Letonja was chief conductor and artistic director of the Tasmanian Symphony Orchestra (TSO).
[1] In 2012, Letonja became music director of the Orchestre Philharmonique de Strasbourg, and held the post through 2021.