Rancid

Rancid may refer to

 Rancid (band), an American punk band, and their self-titled releases:
 Rancid (EP), the above group's self-titled debut EP
 Rancid (1993 album), their first full-length album
 Rancid (2000 album), another self-titled album
 Rancid (movie), a 2004 Swedish movie
 RANCID, network management software
 Rancid News, a punk magazine
 Rancidification, the oxidation of fats, fatty acids, and edible oils