10. Nikita Koloff328 days (1 Reign)Despite holding the United States Championship for just one reign, the Russian Nightmare secured a spot among the longest-reigning champions by maintaining the title for an impressive 328 days.
9. Dean Ambrose351 days (1 Reign)His US title win seemed promising at first, but as with many things WWE, they had no idea what to do with the title after his win.
8. Chris Benoit357 days (5 Reigns)Making his WWE debut in 2000, he clinched his first WWE United States Championship in 2005. He swiftly defeated Orlando Jordan in less than 30 seconds via submission at that year’s SummerSlam to claim the title.
7. Rick Rude378 days (1 Reign)The egotistical mustachio defeated Sting at the Clash of the Champions 17 on November 19, 1991, after capitalizing on an injured leg of Sting with aid from Paul E. Dangerously.
6. John Cena403 days (5 Reigns)John Cena secured his inaugural reign as United States Champion by using brass knuckles and sheer strength to defeat Big Show at WrestleMania 20. This reign persisted for almost four months before the title was vacated.
"The next wrestler on our list made his long time with the United States Championship memorable and entertaining, never making you forget about the title even if he was not defending it.He had some huge moments with the title and is regarded highly today!"