The 2007 Great American Bash was the fourth annual Great American Bash professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE), and 18th Great American Bash event overall. It was held for wrestlers from the promotion's Raw, SmackDown!, and ECW brand divisions. The event took place on July 22, 2007, from the HP Pavilion in San Jose, California.

The main match on the Raw brand was John Cena versus Bobby Lashley for the WWE Championship, which Cena won by pinfall after executing an FU on Lashley from the second rope. The predominant match on the SmackDown! brand was a triple threat match for the World Heavyweight Championship between The Great Khali, Batista and Kane. Khali won the match and retained the title after pinning Kane. The primary match on the ECW brand was John Morrison versus CM Punk for the ECW World Championship, which Morrison won by pinfall after hitting Punk with both of his knees. The featured matches on the undercard included Montel Vontavious Porter (MVP) versus Matt Hardy for the WWE United States Championship and Randy Orton versus Dusty Rhodes in a Texas Bullrope match. This was Dusty Rhodes' final match. The event had 229,000 buys, up slightly on the 2006 figure of 227,000 buys.