Cotana variegata is a moth in the Eupterotidae family. It was described by Rothschild in 1917. It is found in New Guinea. The wingspan is about 47 mm for males and 74 mm for females. The basal one-fourth of the forewings of the males is cream-white, with an oblique chocolate streak, below which is a looped zigzag line which forms a white stigma just below the streak. There is an antemedian dark-chocolate transverse band and the central one-third of the wing is pale chocolate, becoming paler distad. The outer one-third is creamy grey with a crenulate postdiscal brown line, a dark-chocolate spot before the tornus and a quadrate dark-chocolate patch between vein seven and half-way between veins six and five. The hindwings are orange with a postmedian transverse crenulate dark band beyond whic