Ravil Nachaev (also Ravil Nagayev, Russian: Равиль Начаев; born June 17, 1974 in Tashkent) is an Uzbek former swimmer, who specialized in sprint freestyle and butterfly events. He is a three-time Olympian (1996, 2000, and 2004), and a gold medalist in the 50 m freestyle at the 2002 Asian Games in Busan, South Korea. Nachaev later emerged as Uzbekistan's top swimmer, when he shared the gold with South Korea's Kim Min-suk in the 50 m freestyle, a matching time of 22.86 seconds, at the 2002 Asian Games in Busan.