• Acanthus Bloch, 1795 accepted as Acanthurus Forsskål, 1775 [Family: Acanthuridae]
• Acanthus Dumont, 1816 accepted as Carduelis Brisson, 1760 [Family: Fringillidae]
• Acanthus Gistl, 1834 (unaccepted > nomen nudum) [Family: Elateridae]
• Acanthus Linnaeus, 1753 [Family: Acanthaceae]
• Acanthus Lockington, 1877 accepted as Pilumnus Leach, 1816 [Family: Pilumnidae]
• Acanthus Van Dyke, 1932 accepted as Athous Eschscholtz in Thon, 1829 [Family: Elateridae]
• Acanthus ebracteatus Vahl
• Acanthus ilicifolius Linnaeus, 1753
• Acanthus mollis Linnaeus
• Acanthus spinohirsutus Lockington, 1877 accepted as Pilumnus spinohirsutus (Lockington, 1877)
• Acanthus spinosus Linnaeus
• Acanthus syriacus Boiss.
• Acanthus volubilis Wall.
• Acanthus xiamenensis R.T. Zhang
• Acanthusus Distant, 1916 accepted as Acanthuchus Stål, 1866
• Acanthusus festivus Distant, 1916 accepted as Acanthuchus festivus Distant, 1916