Guy Rupert Berryman (born 12 April 1978) is a Scottish musician, songwriter and producer, best known as the bassist of rock band Coldplay and electronic supergroup Apparatjik. He is the founder and designer of menswear label Applied Art Forms as well.

Berryman dropped out a mechanical engineering degree at University College London, joining Coldplay with Chris Martin, Jonny Buckland and Will Champion. The group signed with Parlophone in 1999, finding global fame after the release of Parachutes (2000) and subsequent records. He won seven Grammy Awards and nine Brit Awards as part of Coldplay. The band have sold over 100 million albums worldwide as of 2021, making them the most successful group of the 21st century.