The spider genus Holoplatys Simon is revised. Its relationships, origin and distribution are discussed. Six species groups based on genitalia and body structure are distinguished and key for their identification in proposed. Holoplatys caledonica Berl., H. urvillei Dalmas, H. fractivittata Sim. and H. quinquecinqulata Sim. are excluded from the genus. Ocrisiona complanata (L.K.), O. invenusta (L.K.) and O. fusca (Karsch) are included in Holoplatys. A total of 37 species are described and figured, including 31 new species: bicoloroides, borali, braemarensis, bramptonensis, canberra, chudalupensis, colemani, complanatiformis, daviesae, dejongi, desertina, embolica, grassalis, jardinensis, julimarina, kalgoorlie, kempensis, lhotskyi, mascordi, meda, minuta, oakensis, panthera, pedder, pemberton, rainbowi, queenslandica, semiplanata, strzeleckii, tasmanensis and windjanensis.