A blood sport or bloodsport is a category of sport or entertainment that involves bloodshed. Common examples of the former include combat sports such as cockfighting and dog fighting, and some forms of hunting and fishing. Activities characterized as blood sports, but involving only human participants, include the ancient Roman gladiatorial games.

Bullfighting is a physical contest that involves a bullfighter attempting to subdue, immobilize, or kill a bull, usually according to a set of rules, guidelines, or cultural expectations.