Sug (typeset as SuG) is a Japanese visual kei rock band formed in 2006. The band has released two EPs, two full-length studio albums, and several singles. Until 2009, the band was signed to "Indie PSC", a subdivision of PS Company. As of 2010, they have signed onto a major label, Pony Canyon, and joined the forefront of major bands on PS Company.

The band's tagline in promotional work is "Heavy Positive Rock."