Marti Pellow (born Mark McLachlan; 23 March 1965) is a Scottish singer. He was the lead singer of the Scottish pop group Wet Wet Wet, from their formation in 1982 until their split in 1997, and again from their reformation in 2004 to his departure in 2017. He has also recorded albums as a solo artist and performed as an actor in musical theatre productions in both the West End and on Broadway.