Frost is the coating or deposit of ice that may form in humid air in cold conditions, usually overnight. In temperate climates it most commonly appears as fragile white crystals or frozen dew drops near the ground, but in cold climates it occurs in a greater variety of forms. Frost is composed of delicate branched patterns of ice crystals formed as the result of fractal process development.

FROST is an Australian pop rock band formed in 1997 in Melbourne. Although the band has change several drummers since its inception, they are becoming an increasingly popular independent group in Australia. Lee "Lemon" Trevena is the singer, Tim "Porn" Powne plays bass guitar, and Benny Bishop plays keyboards; as of 2002, Jerry Speiser, formerly of hit 1980s pop band Men at Work, plays drums.

Frost* is an English neo-progressive rock supergroup, formed in 2004 by Jem Godfrey and members of Arena, Kino, and IQ. Frost* released their first studio album, Milliontown, in 2006, before splitting up. In 2008, Godfrey reformed Frost*, adding Darwin's Radio vocalist and guitarist, Declan Burke, to the lineup, and released their second album, Experiments in Mass Appeal. The band disbanded again in 2011, to reunite later in September, after a brief hiatus.