The Philippines worm eel (Muraenichthys philippinensis) is an eel in the family Ophichthidae (worm/snake eels). It was described by Leonard Peter Schultz and Loren Paul Woods in 1949. It is a marine, tropical eel which is known from the Philippines (from which its species epithet and common name are derived), in the western central Pacific Ocean. It is known to dwell at a depth of , and inhabits sandy sediments. Males can reach a maximum total length of .