Enallagma traviatum is a species of small damselfly in the family Coenagrionidae.

The slender bluet, as its common name implies is a blue damselfly with a thin abdomen.

The eyespots of both genders are large, with a thin blue line between them.

Segment 10 of the male is black and its terminal appendages are longer than its similar species.

Slender bluets are found along large ponds and lakes, particularly those with the forest edge nearby.