The tule bluet (Enallagma carunculatum) is a species of damselfly in the family Coenagrionidae found in North America, from northern Mexico to southern Canada.

The black humeral stripes are about a half the width of the blue antehumerals.

The tule bluet postocular spots are small and triangular; they are separated by a thin occipital bar.

The tule bluet is found throughout North America from southern Canada to northern Mexico, excluding the southeastern United States.

The male damselflies set up territories at choice breeding sites.