Ash Grunwald (born Ashley Mark Groenewald, 5 September 1976) is an Australian blues musician. He has released nine studio albums and has received five nominations for ARIA Music Awards. Five albums have charted in the ARIA Albums Chart top 50; Fish out of Water (2008), Hot Mama Vibes (2010), Trouble's Door (2012), Gargantua (2013) and Mojo (2019).