路易·威廉·汤姆林森（英语：Louis William Tomlinson，出生名：路易·特洛伊·奥斯汀，1991年12月24日－），英国流行歌手、作曲家和演员，男孩团体一世代（One Direction）的成员之一。

他曾在英国ITV的戏剧《Fat Friends》上演出过。他在2009年时就曾参加一世代出道的节目《X音素》（The X Factor）的海选，但并没有被选上；

而是到了2010年的海选才在集训营之后由评审将其与哈利·斯泰尔、连恩·佩恩、奈尔·霍兰和泽恩·马利克组成One Direction。

Louis William Tomlinson (born Louis Troy Austin; 24 December 1991) is an English pop singer and songwriter, and actor, known as a member of the boy band One Direction.

Tomlinson began his career as an actor, initially appearing in ITV drama Fat Friends as an extra. He also went on to appear in another ITV drama film If I Had You and the BBC drama Waterloo Road. In 2010, he became a founding member of the One Direction which went on to finish third in the 2010 series of The X Factor. In 2013, he was signed as a footballer by Doncaster Rovers of the Football League Championship on a non-contract basis. In 2014, he attempted to jointly purchase Doncaster Rovers, but the deal fell through when the crowdfunding part of the deal failed.