Maxx may refer to:

• MAXX (brand), a public transport brand in Auckland, New Zealand
• Maxx (eurodance act), a German-based eurodance music project from the 1990s
• Maxxx (TV series), a Channel 4 sitcom/boyband satire created by O. T. Fagbenle
• The Maxx, a comic book and animated character
• Maxx Crosby, an NFL player
• Maxx Force, a roller coaster at Six Flags Great America
• Maxx Mann, a singer in the Trans-Siberian Orchestra
• Maxx or Max Muscle, the wrestler John Czawlytko
• ProSieben Maxx, German television channel
• T.J. Maxx, a department store chain in the US
  • The Maxx (retail store), two defunct stores in Massachusetts operated by T.J. Maxx
• T.K. Maxx, a retail chain in Europe
• A line of radio-controlled vehicles from Traxxas, including the T-Maxx, SportMaxx, S-Maxx and E-Maxx
• Holden Captiva MaXX and Daewoo Winstorm MaXX, rebadging of the Opel Antara SUV

• Max (disambiguation)
• Maxxx, a defunct general entertainment channel for men