Lu or Lü may refer to:
Luxembourg (Luxembourgish: Lëtzebuerg [ˈlətsəbuəɕ]; German: Luxemburg), officially the Grand Duchy of Luxembourg, is a landlocked country in western Europe.
Ludwig van Beethoven (, ; German: [ˈluːtvɪç fan ˈbeːtˌhoˑfn̩]; baptised 17 December 1770 – 26 March 1827) was a German composer and pianist.
The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails.
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.
Lung cancer, also known as lung carcinoma, is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung.
Luke Cage, also known as Power Man (real name Carl Lucas), is a fictional superhero appearing in American comic books published by Marvel Comics.
Lucknow( Lakhna'ū) is the capital of the Indian state of Uttar Pradesh and is also the administrative headquarters of the eponymous District and Division.