Calephelis borealis, commonly known as the northern metalmark, is a butterfly of the family Riodinidae.

It ranges through western Connecticut south through west-central Pennsylvania; central Appalachians and Ohio River Valley.

Isolated populations are also found in southwest Missouri and eastern Oklahoma.

The habitat consists of open woodland streams near serpentine, shale or limestone barrens.

Adults feed on nectar from flowers including butterflyweed, white sweet clover, goldenrod, ox-eye daisy, sneezeweed, and yarrow.