The 2008 Armageddon was the ninth and final Armageddon professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE). It was held for wrestlers from the promotion's Raw, SmackDown, and ECW brand divisions. The event took place on December 14, 2008, at the HSBC Arena in Buffalo, New York. It was the first and only Armageddon PPV broadcast in high definition. In 2009, the event was replaced by TLC: Tables, Ladders & Chairs.

Seven professional wrestling matches were held on the event's card. During the SmackDown main event, Jeff Hardy defeated Triple H and WWE Champion Edge in a triple threat match to win the championship. The Raw main event featured the World Heavyweight Championship contested in a standard wrestling match, in which John Cena defeated Chris Jericho to retain the title. The undercard featured several matches, including CM Punk against Rey Mysterio in the finals of a tournament to determine the number one contender to the WWE Intercontinental Championship, and Randy Orton versus Batista in a standard wrestling match.

Armageddon helped WWE earn US$15.9 million in revenue from pay-per-view events, thanks to an attendance of approximately 12,500 and 193,000 pay-per-view buys. When the 2008 event was released on DVD it reached a peak position of second on Billboard's DVD Sales Chart. The professional wrestling section of the Canadian Online Explorer website rated the entire event a perfect 10 out of 10.