Iain Matthews is an English musician. He was an original member of the British folk rock band Fairport Convention from 1967 to 1969 before leaving to form his own band, Matthews Southern Comfort, which had a UK number one in 1970 with their cover of Joni Mitchell's "Woodstock". In 1979, his recording of Terence Boylan's "Shake It" reached No. 13 on the US charts.