Orocrambus ordishi is a moth in the Crambidae family. It was described by Gaskin in 1975. It is found in New Zealand, where it has been recorded from the central and eastern part of the South Island. The wingspan is 30–34 mm for males and 28–32 mm for females. The forewings are golden brown with a white median streak. The hindwings are shining pale brown. Adults are on wing from late December to April.