The 1989 Great American Bash was the first Great American Bash professional wrestling pay-per-view (PPV) event produced by World Championship Wrestling (WCW) under the National Wrestling Alliance (NWA) banner and the fifth annual Great American Bash event overall; the previous events were held by the former NWA's Jim Crockett Promotions. It took place on July 23, 1989, at the Baltimore Arena in Baltimore, Maryland. This was the second Great American Bash held at this venue after the 1988 event.