MU or Mu may refer to:
Mumbai (/mʊmˈbaɪ/; also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra.
Muhammad (Arabic: محمد; pronounced [muħammad]; c. 570 CE – 8 June 632 CE) is the prophet of Islam and widely identified as its founder by non-Muslims.
Mustafa Kemal Atatürk (pronounced [mustaˈfa ceˈmal aˈtaˌtyɾc]; 19 May 1881 (conventional) – 10 November 1938) was a Turkish army officer, revolutionary, and founder of the Republic of Turkey, serving as its first President from 1923 until his death in 1938.
Multiple sclerosis (MS) is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged.
Muammar Mohammed Abu Minyar Gaddafi (/ˈmoʊ.əmɑːr ɡəˈdɑːfi/; audio ; c. 1942 – 20 October 2011), commonly known as Colonel Gaddafi, was a Libyan revolutionary, politician, and political theorist.
Munich (/ˈmjuːnɪk/; German: München, pronounced [ˈmʏnçn̩], Bavarian: Minga [ˈmɪŋ(ː)ɐ]) is the capital and largest city of the German state of Bavaria, on the banks of River Isar north of the Bavarian Alps.