Richard L. Latterell (born March 14, 1928) is an American environmental activist, He was a Biology professor at Shepherd University from 1968 to 1992. He founded the Jefferson County Watersheds Coalition, has led an annual cleanup of the Potomac River near Shepherdstown, West Virginia, and has conducted spring and fall counts of macroinvertebrate species in streams in Jefferson County, West Virginia. The presence and diversity of species have shown poor water quality in most streams, because of sediment from construction sites and inadequately treated sewer plant effluent.