Barrelfish

Barrelfish may refer to:

Animals

 * Hyperoglyphe, a genus of fishes of the medusafish and butterfish family, also known as barrelfishes
 * Hyperoglyphe perciformis, the barrelfish, a bathypelagic fish found in the Northern Atlantic Ocean with a wide range

Computers

 * Barrelfish (operating system), an experimental computer operating system