Joel Edward Helleny (born October 23, 1956, Paris, Texas d. June 20, 2009, Herrin, Illinois) was an American jazz trombonist.
Helleny learned piano from his mother as a child but settled on trombone by age seven.
Although born in Texas he moved to Herrin, Illinois as a child.
He worked with Buck Clayton (1989–90), Jimmy McGriff (1990), George Wein (1990 and subsequently), Frank Wess (1991), Randy Sandke, Warren Vache (1993–95), Kenny Davern (1994), Scott Hamilton (1995), Greg Cohen (1996), and the Keith Ingham/Marty Grosz group Hot Cosmopolites in 1996.
Helleny moved back to Herrin in 2007 to care for his elderly father.