Copelatus glyphicus is a species of diving beetle. It is part of the subfamily Copelatinae of the family Dytiscidae. It was described by Thomas Say in 1823.
Copelatus glyphicus is widely distributed throughout the eastern United States and southern Canada, ranging from Newfoundland south to Florida and west to Minnesota and Texas.
Adults range in length from and width from and have a pale yellowish brown to reddish brown coloration.