《末世凶煞》（英语：Cloverfield），港译末世凶煞，台译科洛弗档案，是一部美国伪纪录片科幻灾难电影。Cloverfield原是本片的开发代号（code name），后来便直接用作本片片名。本片由德鲁·戈达德撰写剧本，麦特·李维执导，并由影集《LOST文件》创造者杰弗瑞·亚柏拉罕担任制片。电影首次在《变形金刚》前的预告中向大众公开，并宣布2008年1月18日在美国本土上映。针对本片，发行公司派拉蒙影业推出了一系列病毒式行销（Viral Marketing）的宣传活动。

Cloverfield is a 2008 American found footage monster horror film directed by Matt Reeves, produced by J. J. Abrams and Bryan Burk, and written by Drew Goddard. It is the first film in the Cloverfield franchise. Before settling on an official title, the film was marketed as 01-18-08. The film, which is presented as found footage shot with a home camcorder, follows six young New York City residents fleeing from a gigantic monster that attacks the city while they are having a farewell party. The film was well-received by critics and it earned $170.8 million at the box office against a $25 million budget.