Percina roanoka (common name Roanoke darter) is a species of darter native to Virginia, West Virginia and North Carolina in the United States. It is found in the Roanoke, Tar, and Neuse river systems, typically in small to medium size rivers. It is a colorful species with an average length of 4.3 centimeters (1.7 in). It feeds on insect larvae and other small invertebrates, and spawns in late May and June. It is a common fish with a very wide range and the International Union for Conservation of Nature has classified its conservation status as being of "least concern".