The Mercora are a fictional race of aliens in the Animorphs books by K.A. Applegate first seen in Megamorphs #2: In the Time of Dinosaurs. They resemble giant crabs with very asymmetrical bodies.

Mercora is a social music network based in Silicon Valley, California. Mercora allows Internet users to search and listen to a digital radio network of over three million songs, express their musical identity via a customizable profile page, and webcast music to friends, family, and other Mercora users.