合作博弈是指一些参与者以同盟、合作的方式进行的博弈，这样一来博弈活动就变成了不同集团之间的对抗。在合作博弈中，参与者未必会做出合作行为，然而会有一个来自外部的机构惩罚非合作者。

This article is about a part of game theory. For video gaming, see Cooperative gameplay. For the similar feature in some board games, see cooperative board game

In game theory, a cooperative game is a game where groups of players ("coalitions") may enforce cooperative behaviour, hence the game is a competition between coalitions of players, rather than between individual players. An example is a coordination game, when players choose the strategies by a consensus decision-making process.