詹姆斯·托德·史密斯（英语：James Todd Smith，1968年1月14日－），美国饶舌歌手、演员，他更为人所熟知的名字是LL Cool J。这个名字是“Ladies Love Cool James”（意为：女人都爱酷詹姆斯）的缩写。他最被人熟知的作品包括，情歌《I Need Love》、《Around the Way Girl》、《Hey Lover》，以及先锋嘻哈作品《I Can't Live Without My Radio》、《I'm Bad》、《The Boomin' System》、《Mama Said Knock You Out》。他还出演了数部电影。在同一时代的嘻哈巨星中，LL Cool J是为数不多的几位能够经历20年依然唱片热卖的歌手，最近的单曲包括《4, 3, 2, 1》、《Headsprung》和《Luv U Better》。到目前为止，他共发行了12张专辑以及一部打榜曲合辑。他的最近一部专辑是2008年发售的《Exit 13》，这也是他和Def Jam唱片公司签约的最后一部专辑。LL Cool J现居住于纽约曼哈塞特，已婚的他育有4名子女。

James Todd Smith (born January 14, 1968), better known as LL Cool J (short for Ladies Love Cool James), is an American rapper and actor from Queens, New York. He is known for such hip hop hits as "I Can't Live Without My Radio", "I'm Bad", "The Boomin' System", "Rock The Bells" and "Mama Said Knock You Out", as well as romantic ballads such as "Doin' It", "I Need Love", "Around the Way Girl" and "Hey Lover". LL Cool J is also known as one of the forefathers of pop rap. He has released 13 studio albums and two greatest hits compilations. His twelfth album Exit 13 (2008), was his last for his long-tenured deal with Def Jam Recordings. His latest album, Authentic, was released in April 2013.