NX Newcastle, formerly known as the O2 Academy Newcastle, is a music venue in Newcastle upon Tyne, England. It opened in the former Majestic Ballroom building on 14 October 2005 as the Carling Academy, and was renamed for Telefónica Europe's O2 mobile network brand in 2008. The venue was operated by Academy Music Group until 2022 when Electric Group took over the operation of the site. NX Newcastle has two rooms and can host up to 2,000 people for a show.