Castianeira variata is a species of spider in the family Corinnidae, found in North and Central America.

The body length is typically 7 to 9 mm, the females being larger.

Castianeira variata is similar in general appearance to C. longipalpus.

The carapace dark reddish brown to nearly black with thin white hairs, darker on the sides.

[1][2] This Corinnidae-related article is a stub.