MU, Mu or µ may refer to:
Mumbai (; formerly known as Bombay) is the capital city of the Indian state of Maharashtra. It is the most populous city in India with an estimated city proper population of 12.4 million as of 2011. Along with the neighbouring regions of the Mumbai Metropolitan Region, it is the second most populous metropolitan area in India, with a population of 21.3 million as of 2016. Mumbai lies on the Konkan coast on the west coast of India and has a deep natural harbour.
Muhammad (Arabic: مُحمّد, pronounced [muħammad]; c. 570 CE – 8 June 632 CE) was the founder of Islam.
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 (; c. 1942 – 20 October 2011), commonly known as Colonel Gaddafi, was a Libyan revolutionary, politician, and political theorist.
Munich (; German: München [ˈmʏnçn̩] (listen); Austro-Bavarian: Minga [ˈmɪŋ(ː)ɐ]) is the capital and most populous city of the second most populous German federal state of Bavaria, and, with a population of around 1.5 million, it is the third-largest city of Germany after Berlin and Hamburg, as well as the 12th-largest city in the European Union.
Muhammad Ali Jinnah (Urdu: محمد علی جناح ALA-LC: Muḥammad ʿAlī Jināḥ, born Mahomedali Jinnahbhai; 25 December 1876 – 11 September 1948) was a lawyer, politician, and the founder of Pakistan.