Ronnie Simmons (born 26 August 1988) is an Australian guitarist. He is currently a member of Rose Tattoo and Richie Ramone's touring band and Ronnie Simmons and The Redback Spiders.
Simmons began playing in the pubs of Sydney at 15 and went on to tour Australia supporting bands like The Screaming Jets and Ace Frehley. Relocating to Los Angeles in 2014 he worked as a touring hired gun guitarist, he recorded an album with Motochrist in 2015, joined Richie Ramone's band in 2016 and Faster Pussycat in 2022. Following an Australian tour with Faster Pussycat in early 2023, he became a member of Rose Tattoo.