搜狐（NASDAQ：SOHU），是一家互联网中文门户网站。1995年，搜狐创始人张朝阳从美国麻省理工学院毕业回到中国，利用风险投资创建了爱特信信息技术有限公司，1998年正式推出搜狐网。2000年，搜狐在美国纳斯达克证券市场上市。

搜狐开发的产品有搜狗拼音输入法、搜狗五笔输入法、搜狗音乐盒、搜狗浏览器、搜狐彩电、独立的搜索引擎搜狗和网游门户畅游。

搜狐是2008年北京奥林匹克运动会唯一的互联网赞助商，也是奥林匹克运动会历史上第一个互联网内容的赞助商。

尽管搜狐在首页标题声称自己是中国最大的门户网站，但其Alexa排名却低于同类门户网站腾讯网和新浪。

Sohu, Inc. (Chinese:搜狐; pinyin:Sōuhú; literally: "Search-fox") is a Chinese Internet company headquartered in the Sohu Internet Plaza in Haidian District, Beijing. This company and its subsidiaries offer advertising, a search engine, on-line multiplayer gaming and other services. For the fiscal year ended December 31, 2007, Sohu Inc.'s revenues increased 41% to $188.9M. Net income increased 31% to $35M. Sohu was ranked as the world's 3rd and 12th fastest growing company by Fortune in 2009 and 2010 respectively. As of August 2011, Sohu is the 44th overall in Alexa's internet rankings.