Grammia ornata, the ornate tiger moth, is a moth of the family Erebidae. It was described by Packard in 1864. It is found from southern British Columbia through the Pacific Northwest to southern California, northern Utah, and western Wyoming and Montana. It is found in a wide range of habitats, including open woodland. The larvae feed on various herbaceous plants. The larvae are covered with long black hairs dorsally and laterally and with red hairs ventrally. It has a yellow-orange middorsal line.