Igor Lumpert (born October 27, 1975) is a Slovene jazz saxophonist.
Lumpert began his professional training at age 19 at the Bruckner Conservatory in Linz, Austria, where he studied with Doug Hammond and Harry Sokal. During this period, he was a member of Munich-based band Sidewinders, winner of the "Best Jazz Group of Germany" award. After completing his studies with honors, Lumpert was invited by one of the world's finest bassists, Reggie Workman, to study at the New School University in New York City. He received a scholarship and moved to New York in fall 2000.