Lu or Lü may refer to:
Luxembourg ( ( listen)) (Luxembourgish: Lëtzebuerg [ˈlətsəbuːə̯ɕ] ( listen); French: Luxembourg, German: Luxemburg), officially the Grand Duchy of Luxembourg, is a landlocked country in western Europe.
Ludwig van Beethoven ( ( listen), ; German: [ˈluːtvɪç fan ˈbeːtˌhoːfn̩] ( listen); baptised 17 December 1770 – 26 March 1827) was a German composer and pianist.
Lutheranism is a major branch of Protestant Christianity which identifies with the theology of Martin Luther (1483–1546), a German friar, ecclesiastical reformer and theologian.
Lucifer ( LOO-sif-ər) is a name that, according to dictionaries of the English language, refers either to the Devil or to the planet Venus when appearing as the morning star.
The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails.
Luiz Inácio Lula da Silva (born 27 October 1945), known simply as Lula, is a former politician and union leader.
Lung cancer, also known as lung carcinoma, is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung.