The 2006 Cyber Sunday was the third annual Taboo Tuesday/Cyber Sunday professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE). It was held exclusively for wrestlers from the promotion's Raw brand division. It took place on November 5, 2006, at the U.S. Bank Arena in Cincinnati, Ohio with 7,000 fans attending. The event was previously known as Taboo Tuesday in 2004 and 2005. For 2006, the event was moved to the more traditional Sunday night for PPVs and was renamed as Cyber Sunday. It was also the final Taboo Tuesday/Cyber Sunday to be brand-exclusive as following WrestleMania 23 the following year, brand-exclusive PPVs were discontinued.

This event had the unique feature of being an interactive PPV. Fans could vote, via WWE's official website, for selective characteristics in the scheduled matches, including opponents, stipulations, match types, etc. The voting for the event started on October 16, 2006, and ended during the event.

The main event was the "Champion of Champions" match, between WWE's three top champions. The three champions in the match were WWE Champion John Cena, World Heavyweight Champion King Booker, and ECW World Champion Big Show. The fans could vote for who would defend their championship in this match; the fans voted for Booker T, who won the match by pinning Cena following interference from Kevin Federline. The predominant match on the card was D-Generation X (Triple H and Shawn Michaels) versus Rated-RKO (Edge and Randy Orton). Rated-RKO won the match after Orton pinned Triple H following an RKO onto a steel chair. The featured matches on the undercard were Jeff Hardy versus Carlito for the WWE Intercontinental Championship and Lita versus Mickie James in a Diva Lumberjack match for the WWE Women's Championship, a match would be the last title win for Lita until 2023.