Johannes Evangelist Haller (30 April 1825 – 5 May 1900) was an Austrian-Hungarian prelate of the Catholic Church who was Archbishop of Salzburg from 1890 until his death.

Johannes Evangelist Haller was born on 30 April 1825 in St. Martin in Passeier in the South Tyrol, then within the Austria-Hungarian Empire and now in Italy.

He went to school in Meran and Innsbruck and studied philosophy and theology at the seminary in Trento.

He received his episcopal consecration on 14 October 1874 in Salzburg from Archbishop Maximilian Joseph von Tarnóczy.

Haller founded the Johanneum seminary in Meran and developed plans for a Catholic University of Salzburg.