Coenagrion ornatum, or, the ornate bluet, is a species of damselfly from the family Coenagrionidae distributed across a large part of Europe and Western Asia.

Male can be distinguished by a marking on the top of the second segment of the abdomen (S2) which resembles a stalked wine glass or a trident, but is not always developed.

[3] The period of activity is short: adults fly in the summer, from May to July or mid-August.

Most of the known localities in Europe are along ditches in agricultural areas where people regularly mow the banks and clean the bottoms.

Distribution range extends east across Anatolia and Iran to south-eastern Turkmenistan, where it inhabits higher altitudes, whereas lowlands are too dry for its survival.