Notiophilus aeneus, also known as the brassy big-eyed beetle, is a species of ground beetle in the family Carabidae.

It is found in North America.

[1][2][3][4] Approximately 5–6 mm long, it is dark colored with a brassy tinge and large eyes.

Adults are diurnally active in spring and summer.

This Nebriinae-related article is a stub.