Gwyn Ashton, born in 1960 in Wales, is a Welsh-Australian blues and rock guitarist and singer-songwriter. He began playing guitar at age 12 and was performing in bars by 16. In the mid-1980s, he moved to Sydney, where he served as lead guitarist for Swanee and Stevie Wright. His debut solo album Feel the Heat was released in 1993 via Upbeat Records. He relocated to England in 1996 and played extensively on the European festival circuit. In 2001, he was listed at third position for Guitarist of the Year by Guitar Part magazine. Notable collaborations include tours with Rory Gallagher, Junior Wells, Steve Morse, Albert Lee, Mick Fleetwood, and performances at festivals such as the Acoustic Festival of Great Britain and the Thanks Jimi Festival in Wroclaw, Poland. He released Sonic Blues Preachers in 2019, followed by Mojosoul in 2022 to mark his 50 years of playing guitar. In 2025, he released the album Grease Bucket.