Yes, there are many species of crabs that are considered edible and are consumed by humans around the world. Some examples of edible crabs include the Dungeness crab, blue crab, king crab, snow crab, and stone crab. These crabs are often boiled or steamed and served with various sauces and accompaniments. However, it's important to note that not all crabs are safe to eat, so it's important to know which species are safe and how to properly prepare them before consuming.