Amblyeleotris harrisorum is a species of goby. It is only known from reefs around the island of Kiritimati in the Line Islands, Republic of Kiribati, in the central Pacific. It occurs at depths of . As with other Amblyeleotris species, it has a symbiotic relationship with alpheid shrimps. The specific name harrisorum honors Mr. and Mrs. Hamilton Harris who sponsored the field effort at Kiritimati.
This is an elongated goby up to standard length. The background colour is white marked with five vertical pale orange bars. It is most readily distinguished from its congeners by its very colourful caudal fin, bright yellow with orange and blue margin and also by an oblique yellow stripe behind the eye.