HMS Turbulent is a retired Trafalgar-class submarine of the Royal Navy and the second vessel of her class. Turbulent was the fifth vessel, and second submarine, of the Royal Navy to bear this name. She was built by Vickers Shipbuilding, Barrow-in-Furness, and based at HMNB Devonport. She was commissioned in 1984 and decommissioned in July 2012. She was stripped of equipment and now awaits dismantling in number 3 Basin at Devonport.