Sweatsuit is a compilation album by American rapper Nelly, released on November 22, 2005. The album consists of tracks from his 2004 simultaneous album releases, Sweat and Suit. The US edition of the compilation also includes four extra tracks, including the single "Grillz" featuring rappers Paul Wall and Ali & Gipp, which reached number one on the Billboard Hot 100 chart; along with The Notorious B.I.G. single "Nasty Girl", "Tired" featuring Avery Storm, and "Fly Away" from the soundtrack of the 2005 film The Longest Yard.

Sweatsuit received positive reviews from critics, for containing the highlights from both Sweat and Suit, praising its material quality. Commercially, the compilation peaked at 26 on the US Billboard 200, and reached the top 40 in Australia and New Zealand. It has been certified gold by the Recording Industry Association of America (RIAA), for shipments of 500,000 copies.