Megacephala is een geslacht van kevers uit de familie loopkevers (Carabidae).
Soorten Megacephala acutipennis (Dejean, 1825) Megacephala aequinoctialis (Dejean, 1825) Megacephala affinis (Dejean, 1825) Megacephala angustata (Chevrolat, 1841) Megacephala angusticollis W. Horn, 1896 Megacephala annuligera Lucas, 1857 Megacephala aptera Chaudoir, 1862 Megacephala asperata (C.O.Waterhouse, 1877) Megacephala asperula (Westwood, 1852) Megacephala australasiae Hope, 1842 Megacephala australis (Chaudoir, 1865) Megacephala basalis (Macleay, 1866) Megacephala baxteri Bates, 1886 Megacephala biimpressicollis (Mandl, 1960) Megacephala bilunata (Klug, 1834) Megacephala biprolongata W. Horn, 1937 Megacephala blackburni (Fleutiaux, 1895) Megacephala bocandei Guérin-Méneville, 1848 Megacephala bostockii (Castelnau, 1867) Megacephala brasiliensis (Kirby, 1818) Megacephala brevisulcata W.Horn, 1907 Megacephala brzoskai Naviaux, 2007 Megacephala bucephala (W. Horn, 1909) Megacephala camposi W. Horn, 1900 Megacephala canninga McCairns, Freitag, Rose & McDonald, 1997 Megacephala carolina (Linnaeus, 1766) Megacephala castelnaui Sloane, 1906 Megacephala chacoensis (Sawada & Wiesner, 1997) Megacephala chilensis Laporte de Castelnau, 1834 Megacephala coerulea Lucas, 1857 Megacephala corpulenta Horn, 1907 Megacephala cribrata Steinheil, 1875 Megacephala cruciata (Brulle, 1837) Megacephala crucigera Macleay, 1863 Megacephala cuprascens Sumlin, 1997 Megacephala cyanea (W. Horn, 1905) Megacephala cyanides Bates, 1881 Megacephala cylindrica Macleay, 1863 Megacephala davidsoni Naviaux, 2007 Megacephala denticollis (Chaudoir, 1843) Megacephala distinguenda (Dejean, 1831) Megacephala ensenada Huber, 1994 Megacephala epipleuralis Horn, 1923 Megacephala ertli W.Horn, 1904 Megacephala euphratica Dejean, 1822 Megacephala femoralis (Perty, 1830) Megacephala flammula (W. Horn, 1905) Megacephala floridana (Leng & Mutchler, 1916) Megacephala foucarti Naviaux & Richoux, 2006 Megacephala fulgida (Klug, 1834) Megacephala fuliginosa (Bates, 1874) Megacephala germaini Chaudoir, 1865 Megacephala globosicollis (W. Horn, 1913) Megacephala gracilis (Reiche, 1842) Megacephala greyana (Sloane, 1901) Megacephala helmsi (Blackburn, 1892) Megacephala hopei (Castelnau, 1867) Megacephala howittii Casletnau, 1867 Megacephala huberi (Johnson, 1991) Megacephala huedepohli (Mandl, 1974) Megacephala inca Naviaux & Ugarte-Pena, 2006 Megacephala inquinata Thomson, 1857 Megacephala insignis Chaudoir, 1850 Megacephala intermedia Sloane, 1906 Megacephala ion Sumlin, 1997 Megacephala johnnydeppi Werner, 2007 Megacephala karratha Sumlin, 1992 Megacephala kimberleyensis Mjoberg, 1916 Megacephala klagesi W. Horn, 1903 Megacephala klugii Chaudoir, 1850 Megacephala lacordairei (Gory, 1833) Megacephala laevicollis (C.O.Waterhouse, 1880) Megacephala lafertei Thomson, 1857 Megacephala laminata Perty, 1830 Megacephala lanei (Mandl, 1961) Megacephala lateralis W. Horn, 1905 Megacephala latreillei (Castelnau, 1834) Megacephala lindemannae (Mandl, 1964) Megacephala lucifera (Erichson, 1847) Megacephala marginicollis Sloane, 1906 Megacephala martii (Perty, 1830) Megacephala megacephala (Olivier, 1790) Megacephala mendacia Sumlin, 1997 Megacephala morsii (Fairmaire, 1882) Megacephala murchisona (Fleutiaux, 1896) Megacephala nicaraguensis (Johnson, 1993) Megacephala nocturna (Dejean, 1831) Megacephala oleadorsa Sumlin, 1992 Megacephala orbignyi Naviaux, 2007 Megacephala oxychiliformis (W. Horn, 1905) Megacephala panamensis (Johnson, 1991) Megacephala parinsignis (Mandl, 1981) Megacephala phylogenetica (W. Horn, 1909) Megacephala pilosipennis (Mandl, 1958) Megacephala prolongata (W. Horn, 1932) Megacephala pseudodistinguenda (W. Horn, 1905) Megacephala pseudofulgida (Mandl, 1963) Megacephala pulchra Brown, 1869 Megacephala quadrisignata Dejean & Boisduval, 1829 Megacephala rawlinsi Davidson & Naviaux, 2006 Megacephala regalis Boheman, 1848 Megacephala rivalieri Basilewsky, 1966 Megacephala ruth (W. Horn, 1907) Megacephala rutilans Thomson, 1857 Megacephala scapularis Macleay, 1863 Megacephala serrella Sumlin, 1997 Megacephala sobrina (Dejean, 1831) Megacephala somalica Basilewsky, 1966 Megacephala sommeri Chaudoir, 1850 Megacephala sparsimpunctata (Mandl, 1961) Megacephala speciosa Chaudoir, 1860 Megacephala spenceri Sloane, 1897 Megacephala spinosa (Brulle, 1837) Megacephala spixii (Brulle, 1837) Megacephala steinheili (W. Horn, 1900) Megacephala suturalis W. Horn, 1900 Megacephala thomsoniana (W. Horn, 1915) Megacephala tremolerasi (W. Horn, 1909) Megacephala virginica (Linnaeus, 1766) Megacephala whelani Sumlin, 1992 Megacephala wimmeri (Mandl, 1958)