List of Famous people named Lou

Louis Francis Cristillo, professionally known as Lou Costello, was an American comedian, best known for his double act with straight man Bud Abbott and their routine "Who's on First?"

Lou Sanders is a British stand-up comedian, writer and actress from Broadstairs, Kent.

David Lubega, better known by his stage name Lou Bega, is a German recording artist. His 1999 song "Mambo No. 5", a remake of Pérez Prado's 1949 instrumental piece, reached Number 1 in many European countries and was nominated for a Grammy Award. Bega added his own words to the song and sampled the original version extensively. Bega's musical signature consists of combining musical elements of the 1940s and 1950s with modern beats and grooves.

Louis Thomas Spence, DFC & Bar was a fighter pilot and squadron commander in the Royal Australian Air Force (RAAF). During World War II, he flew with No. 3 Squadron, earning the Distinguished Flying Cross (DFC), and commanded No. 452 Squadron, receiving a Mention in Despatches. He led No. 77 Squadron in the opening months of the Korean War, and was awarded a bar to his DFC, the US Legion of Merit, and the US Air Medal, for his leadership.

Louis Lamoriello is an American professional ice hockey executive who is the president of hockey operations and general manager for the New York Islanders of the National Hockey League (NHL). He is also the former general manager of both the Toronto Maple Leafs and the New Jersey Devils of the NHL. Lamoriello's tenure as general manager of the New Jersey Devils from 1987 to 2015 was the third-longest by an NHL general manager with a single team, following those of Conn Smythe and Art Ross. Lamoriello resigned from New Jersey on May 4, 2015, and became the 16th general manager of the Maple Leafs on July 23 of the same year.

Luigi "Lou" Macari is a Scottish former footballer and manager. He began his playing career at Celtic where he was one of the Quality Street Gang, the outstanding reserve team that emerged in the late 1960s that also included Kenny Dalglish and Danny McGrain. He is best known for his time at Manchester United, where he played over 400 games. He helped them win promotion back to the First Division and then played in their FA Cup win of 1977. He then finished his playing career at Swindon Town.

Lou Qinjian is a Chinese politician, currently serving as the Communist Party Secretary of Jiangsu Province. Previously, Lou had served as Communist Party Secretary, Governor of Shaanxi and Deputy Minister of Industry and Information Technology. He has a Ph.D. in computer science from Huazhong University of Science and Technology.

Lou Jean, known on stage as simply Lou, is a French singer.

Louis William Marini Jr., known as "Blue Lou" Marini, is an American saxophonist, arranger, and composer. He is best known for his work in jazz, rock, blues, and soul music, as well as his association with The Blues Brothers.

Lou Ye, born 1965, is a Chinese screenwriter-director who is commonly grouped with the "Sixth Generation" directors of Chinese cinema.