Megacyllene is a genus of beetles in the family Cerambycidae, containing the following species:

• Megacyllene abnormis (Aurivillius, 1920)
• Megacyllene acuta (Germar, 1821)
• Megacyllene anacantha (Chevrolat, 1862)
• Megacyllene andesiana (Casey, 1912)
• Megacyllene angulata (Fabricius, 1775)
• Megacyllene angulifera (Casey, 1912)
• Megacyllene antennata (White, 1855)
• Megacyllene bonplandi (Gounelle, 1911)
• Megacyllene boryi (Laporte & Gory, 1835)
• Megacyllene caryae (Gahan, 1908)
• Megacyllene castanea (Laporte & Gory, 1835)
• Megacyllene castroi Prosen, 1947
• Megacyllene chalybeata (White, 1855)
• Megacyllene cleroides (Melzer, 1931)
• Megacyllene comanchei Rice & Morris, 1992
• Megacyllene congener (Laporte & Gory, 1835)
• Megacyllene costaricensis (Thomson, 1860)
• Megacyllene decora (Olivier, 1795)
• Megacyllene designata (Chevrolat, 1862)
• Megacyllene ebenina Monne & Napp, 2004
• Megacyllene ellifranziana (Fuchs, 1961)
• Megacyllene falsa (Chevrolat, 1862)
• Megacyllene gaucha Martins & Galileo, 2011
• Megacyllene globosa Aragao & Monne, 2011
• Megacyllene guarani Aragao & Monne, 2011
• Megacyllene hoffmanni (Laporte & Gory, 1835)
• Megacyllene horioni Tippmann, 1960
• Megacyllene insignita Perroud, 1855
• Megacyllene lanei (Tippmann, 1953)
• Megacyllene latreillei (Laporte & Gory, 1835)
• Megacyllene lutosa (LeConte, 1861)
• Megacyllene magna Di Iorio, 1997
• Megacyllene mellyi (Chevrolat, 1862)
• Megacyllene menalaspis (Chevrolat, 1862)
• Megacyllene multiguttata (Burmeister, 1865)
• Megacyllene murina (Burmeister, 1879)
• Megacyllene neblinosa Di Iorio, 1995
• Megacyllene nebulosa Laporte & Gory, 1835
• Megacyllene nevermanni Martins & Galileo, 2008
• Megacyllene panamensis (Bates, 1885)
• Megacyllene powersi Linsley & Chemsak, 1963
• Megacyllene proxima (Laporte & Gory, 1835)
• Megacyllene punensis Martins & Galileo, 2008
• Megacyllene quinquefasciata (Melzer, 1931)
• Megacyllene robiniae (Forster, 1771)
• Megacyllene robusta Linsley & Chemsak, 1963
• Megacyllene rotundicollis Zajciw, 1963
• Megacyllene rufofemorata Di Iorio, 1997
• Megacyllene sahlbergi (Aurivillius, 1913)
• Megacyllene snowi (Casey, 1912)
• Megacyllene spixii (Laporte & Gory, 1835)
• Megacyllene tafivallensis Di Iorio, 1998
• Megacyllene trifasciata Viana, 1994
• Megacyllene unicolor Fuchs, 1955
• Megacyllene unicoloricollis Fuchs, 1961

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