ReaSon|美国理性杂志(AmericanJournalofReason)是一份非营利性出版物，是一份自由主义月刊，也是一份涉及政治、文化和思想的公开的新闻分析和新闻评论杂志。

　　目前，该刊的月发行量约为5万份，连续两年被《芝加哥论坛报》评为“50最好杂志”之一。该杂志提倡“自由思维与自由市场”，其内容涵盖政治、文化、新闻标题，以及新闻分析与评论。该杂志的官方网站-reason.com在2008年赢得了《威比奖》杂志类奖，并为许多政治家和新闻爱好者所喜爱。

　　Reason is the monthly print magazine of "free minds and free markets." It covers politics, culture, and ideas through a provocative mix of news, analysis, commentary, and reviews. Reason provides a refreshing alternative to right-wing and left-wing opinion magazines by making a principled case for liberty and individual choice in all areas of human activity.

　　Reason Online is updated daily with articles and columns on current developments in politics and culture. It also contains the full text of past issues of the print edition of Reason. Reason Online is entirely free.

　　Reason and Reason Online are editorially independent publications of the Reason Foundation, a national, non-profit research and educational organization.