The term CLU can refer to:
Cluedo (/ˈkluːdoʊ/)—known as Clue in North America—is a murder mystery game for three to six players, devised by Anthony E.
Cluj-Napoca (Romanian pronunciation: [ˈkluʒ naˈpoka]), commonly known as Cluj, is the second most populous city in Romania, after the national capital Bucharest, and the seat of Cluj County in the northwestern part of the country.
Club de Fútbol América S.A. de C.V., commonly known as Club América, or simply as América, is a professional football club based in Mexico City, Mexico.
Clube de Regatas do Flamengo (English: Flamengo Rowing Club), commonly referred to as Flamengo (Portuguese pronunciation: [flɐˈmẽɡu]), is a Brazilian sports club based in Rio de Janeiro.
Clube Atlético Mineiro (Brazilian Portuguese: [ˈklubi atˈlɛtʃiku miˈnejɾu]), commonly known as Atlético Mineiro or Atlético, and colloquially as Galo (pronounced: [ˈgalu], "Rooster"), is a professional football club based in Belo Horizonte, Minas Gerais, Brazil.