Chlopsis olokun is an eel in the family Chlopsidae. It was described by Charles Richard Robins and Catherine H. Robins in 1966, originally under the genus Xenoconger. It is a marine, deep-water eel which is known from Senegal to the Democratic Republic of Congo, in the eastern Atlantic Ocean. It typically dwells at a depth of 46-200 m. Males can reach a maximum total length of 30.2 cm.