Ian Watkins, Welsh former Lostprophets singer-songwriter and convicted child sex offender

Ian David Karslake Watkins is a Welsh former singer who was best known as the lead singer and frontman of the rock band Lostprophets. His career ended after he was sentenced to 29 years imprisonment in 2013 for multiple sex offences, including the sexual assault of young children and infants, and the possession of "extreme" child and animal pornographic material, a sentence later increased by ten months for having a mobile phone in prison. His bandmates disbanded Lostprophets shortly after his conviction and formed No Devotion with American singer Geoff Rickly.

Lostprophets were a Welsh rock band from Pontypridd, formed in 1997 by singer Ian Watkins and guitarist Lee Gaze. The group was founded after their former band Fleshbind broke up. They later recruited Mike Lewis on guitars, Stuart Richardson on bass and Mike Chiplin on drums.