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

• Callechelys bilinearis Kanazawa, 1952 (twostripe snake eel)
• Callechelys bitaeniata (W. K. H. Peters, 1877)
• Callechelys catostoma (J. G. Schneider & J. R. Forster, 1801) (black-striped snake eel)
• Callechelys cliffi J. E. Böhlke & Briggs, 1954 (sandy ridgefin eel)
• Callechelys eristigma McCosker & Rosenblatt, 1972 (spotted ridgefin eel)
• Callechelys galapagensis McCosker & Rosenblatt, 1972
• Callechelys guineensis (Osório, 1893) (shorttail snake eel)
• Callechelys leucoptera (Cadenat, 1954)
• Callechelys lutea Snyder, 1904 (yellow-spotted snake eel)
• Callechelys maculatus Y. T. Chu, H. L. Wu & X. B. Jin, 1981
• Callechelys marmorata (Bleeker, 1853) (marbled snake eel)
• Callechelys muraena D. S. Jordan & Evermann, 1887 (blotched snake eel)
• Callechelys papulosa McCosker, 1998
• Callechelys randalli McCosker, 1998
• Callechelys springeri (Ginsburg, 1951) (ridgefin eel)

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