Osteodiscus andriashevi is a species of marine fish in the family Liparidae (snailfishes or seasnails). This species is known from the deep waters of the Sea of Okhotsk in the northwest Pacific where in occurs at depths of from 766 to 1,950 metres (2,513 to 6,398 ft). It grows to a length of 17.5 centimetres (6.9 in) SL. This species is one of three known members of its genus.