NWA Wildside was an American independent professional wrestling promotion based in Cornelia, Georgia, with an office in Atlanta, Georgia, operating between September 1999 and April 2005. It was originally formed when National Championship Wrestling merged with NWA Georgia. While in operation, NWA Wildside was one of the main affiliates of the National Wrestling Alliance, a group that dates back to 1948. It also served as a developmental territory for World Championship Wrestling.

The National Wrestling Alliance (NWA) is an American professional wrestling promotion and governing body owned by Billy Corgan and operated by its parent company Lightning One, Inc.