Stenoma iocoma is a moth of the family Depressariidae. It is found in Guyana and French Guiana.[1]
The wingspan is 19–22 mm. The forewings are light violet grey with the costal edge whitish ochreous and with short fine whitish-ochreous lines from the base in the middle and on the fold. There are faint hardly perceptibly darker somewhat curved transverse shades at one-third, three-fifths, and four-fifths. The hindwings are grey.[2]