Iris korolkowii is a species in the genus Iris, it is also in the subgenus of Iris and in the Regelia section. It is a rhizomatous perennial, from the mountains of Tien Shan, Pamir and Altai, in Afghanistan and Turkestan (now part of Uzbekistan). It is commonly known as the Redvein Iris. It has long, sword-shaped grey-green leaves, slender stem, and 2 to 3 white, cream, pale green or light purple flowers which are veined with maroon, chocolate brown or dark purple. It is cultivated as an ornamental plant in temperate regions.