Alan Charles Lancaster (7 February 1949 – 26 September 2021) was an English musician, best known as a founding member and bassist of the rock band Status Quo, playing with the band from 1967 to 1985, with brief reunions in 2013 and 2014. As well as contributing to songwriting, he was also one of the lead vocalists on albums and live concerts, taking the lead on tracks such as "Backwater", "Is There a Better Way", "Bye Bye Johnny", "High Flyer" and "Roadhouse Blues".