Nellyville is the second studio album by American rapper and singer Nelly. It was released on June 25, 2002, by Universal Records and Fo' Reel Entertainment. The album's production was handled by Waiel Yaghnam, the Neptunes, Jay E, Trackboyz, Ryan Bowser, and Just Blaze. Two singles from Nellyville, "Hot in Herre" and "Dilemma", both topped the US Billboard Hot 100 for respectively seven and ten weeks. The album received generally favorable reviews from music critics, who praised the production.

Nellyville debuted at the top of the US Billboard 200, with sales of 715,000 equivalent-units in the opening week of the country. It remained at number one for four non-consecutive weeks and was eventually certified six-times platinum by the Recording Industry Association of America (RIAA) for shipments of over six million equivalent-units in sales, which allowed Nellyville to become Nelly's second number-one, multi-platinum, and top-10 album in the United States following his debut album Country Grammar in 2000. As of March 16, 2011, Nellyville sold 6,488,000 copies in the United States, and it became the 14th best-selling rap album of all time. Internationally, it peaked at number two on the album charts in the United Kingdom, Australia, Canada, Germany, and New Zealand.