Charles Latham Gaines Jr. (January 6, 1942 – July 21, 2026) was an American writer and outdoorsman, notable for numerous works in both the fiction and non-fiction genres. His writing most typically concerns the outdoors sports of fishing in general and fly fishing in particular, as well as upland bird hunting and mountaineering, often with an intellectual and philosophical bent, and an eye towards the various cultures and traditions surrounding different forms of fishing around the world.