Aqua: Aqua is the Latin word for water.

Aqua Teen Hunger Force: Aqua Teen Hunger Force , sometimes abbreviated as ATHF, or known more simply as Aqua Teen, is an American adult animated television series created by Dave Willis and Matt Maiellaro for Cartoon Network's late night programming block, Adult Swim. It is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live together as roommates and frequently interact with their human next-door neighbor, Carl Brutananadilewski.

Aquaman: Aquaman is a fictional superhero appearing in American comic books published by DC Comics. Created by Paul Norris and Mort Weisinger, the character debuted in More Fun Comics #73 (November 1941).

Aquaculture: Aquaculture , also known as aquafarming, is the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other organisms. Aquaculture involves cultivating freshwater and saltwater populations under controlled conditions, and can be contrasted with commercial fishing, which is the harvesting of wild fish.

Aquarium: An aquarium is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aquatic reptiles, such as turtles, and aquatic plants.