"Swamp Thing" is a song by British electronic music group the Grid. It was released on 23 May 1994 as a single and is included on the Grid's third album, Evolver (1994). It peaked at number three on the UK, Australian, and Danish singles charts and reached the top five in an additional seven countries, including Finland and Norway, where it reached number two. The song was later sampled in "Banjo Thing" by Infernal and "Swamp Thing" by Pegboard Nerds. NME magazine ranked it number 41 in their list of the 50 best songs of 1994.