Bascanichthys is a genus of eels in the snake eel family Ophichthidae. It currently contains the following species:

• Bascanichthys bascanium (D. S. Jordan, 1884) (Sooty eel)
• Bascanichthys bascanoides R. C. Osburn & Nichols, 1916 (Sooty sand-eel)
• Bascanichthys ceciliae Blache & Cadenat, 1971
• Bascanichthys cylindricus Meek & Hildebrand, 1923 (Round sand-eel)
• Bascanichthys deraniyagalai Menon, 1961 (Indian longtailed sand-eel)
• Bascanichthys fijiensis (Seale, 1935)
• Bascanichthys filaria (Günther, 1872)
• Bascanichthys gaira (Moreno, Acero P. & Grijalba-Bendeck, 2016) (Colombian sand eel)
• Bascanichthys inopinatus McCosker, E. B. Böhlke & J. E. Böhlke, 1989
• Bascanichthys kabeyawan Hibino & Ho, 2022 (Kabeyawan sand eel)
• Bascanichthys kirkii (Günther, 1870) (Longtailed sand-eel)
• Bascanichthys longipinnis (Kner & Steindachner, 1867)
• Bascanichthys myersi (Herre, 1932)
• Bascanichthys panamensis Meek & Hildebrand, 1923 (Panama sand-eel)
• Bascanichthys paulensis Storey, 1939
• Bascanichthys pusillus Seale, 1917
• Bascanichthys ryukyuensis Hibino, Yamashita & Sakurai, 2022 (Vine-like sand eel)
• Bascanichthys scuticaris (Goode & T. H. Bean, 1880) (Whip eel)
• Bascanichthys sibogae (M. C. W. Weber, 1913)

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