Blue dolphin
# Blue dolphin

Blue dolphin or Blue Dolphin may refer to:

* Blue Dolphin, a yacht and research vessel designed in 1926 by William Roue
* Blue Dolphin Energy Company, an American oil and natural gas company
* Blue Dolphin Enterprises, parent company of Pacific Comics, a former American comic book publisher
* Blue dolphin cichlid (Cyrtocara moorii), a fish endemic to Lake Malawi in east Africa
* Blue Dolphin and Blue Dolphin 2, ships operated by Tsugaru Kaikyō Ferry in Japan
