Megachoriolaus is a genus of beetles in the family Cerambycidae, containing the following species:
Megachoriolaus atripennis (Bates, 1870)Megachoriolaus bicolor (Gounelle, 1911)Megachoriolaus chemsaki Linsley, 1970Megachoriolaus clarkei Monne & Monne, 2008Megachoriolaus cruentus (Martin, 1930)Megachoriolaus flammatus (Linsley, 1961)Megachoriolaus ignitus (Schaeffer, 1908)Megachoriolaus imitatrix Linsley, 1970Megachoriolaus lineaticollis Chemsak & Linsley, 1974Megachoriolaus nigricollis Chemsak & Linsley, 1974Megachoriolaus patricia (Bates, 1885)Megachoriolaus spiniferus (Linsley, 1961)Megachoriolaus sylvainae Audureau, 2010Megachoriolaus texanus (Knull, 1941)Megachoriolaus unicolor (Bates, 1892)Megachoriolaus venustus (Breme, 1844)Megachoriolaus yucatanus Giesbert & Wappes, 1999