Sebastian Heindl (born 1997 in Gera, Germany) is a German organist.
Heindl began studying piano at age five and then at age ten became a singer in the Thomanerchor of the St. Thomas Church in Leipzig, where he began studying the organ under the university organist, Daniel Beilschmidt. He is currently studying organ under Martin Schmeding and Thomas Lennartz at the University of Music and Theatre Leipzig.
Heindl has made recordings for MDR Fernsehen and Bayerischer Rundfunk public broadcasters and was featured in a BBC documentary with John Eliot Gardiner.
In 2017 he performed the Concerto pour orgue, cordes et timbales of Francis Poulenc with the Jungen Mitteldeutschen Kammerorchester in the Gewandhaus in Leipzig.