《万智牌游戏》（英语：Magic: The Gathering，简称:MTG）是一种集换式卡牌游戏，设计者为李察·加菲（Richard Channing Garfield），由威世智公司（Wizards of the Coast）出品，第一个系列出版于1993年。在进行游戏时，双方各用一套卡牌进行，也可以三人或四人以上进行游戏。根据威世智公司的说明，万智牌游戏在全世界范围内已拥有超过600万名的玩家，迄今为止已有超过一万种不同的卡牌被印刷。

目前，万智牌在中国大陆的代理由上海瑞俊贸易发展有限公司的万智牌事务部负责，在**则由威世智公司直营，其官方网站已闭站，现在主要的信息发送依靠facebook的的Magic: The Gathering专页。

Magic: The Gathering (MTG; also known as Magic) is a trading card game created by Richard Garfield.

First published in 1993 by Wizards of the Coast, Magic was the first trading card game produced and it continues to thrive, with approximately twenty million players as of 2015. Magic can be played by two or more players in various formats, the most common of which uses a deck of 60+ cards, either in person with printed cards or using a deck of virtual cards through the Internet-based Magic: The Gathering Online, on a smartphone or tablet, or other programs.