IWGP United States Heavyweight Championship

The International Wrestling Grand Prix (IWGP) United States Championship  is a professional wrestling championship promoted by the japanese professional wrestling promotion New Japan Pro Wrestling (NJPW).

History
On May 12, 2017, in the Ring of Honor event ROH-NJPW War of the Worlds 2017, it was announced by Ring of Honor and New Japan Pro Wresling officials that in the G1 Climax 27 "Special" event nights in the United States there would be a tournament to determine the first ever IWGP United States Champion.