Beirut, Beyrouth, Bayrut ko Bairut (harshen Larabci: بيروت), itace babban birni kuma gari mafi yawan al'ummah a kasar Lebanon. Dukda cewar babu wani kidaya da aka gudanar a kwanan nan, amma dai a 2007 an kiyasta mutanen zasukai yawan mutane miliyan 1 zuwa miliyan 2.2 a matsayin bangaren Greater Beirut. Garin na nan ne a wani peninsula dake tsakiyar gabar kogin Mediterranean, Beirut itace babban tashar Ruwa na kasar Lebanon. Tana daya daga cikin Tsoffin Birane a duniya, an samu mazauna a garin tun a shekaru 5,000 da suka shude. A tarihi anfara samun sunan Beirut na farko ne a wani Haruffan Amarna daga sabuwar New Kingdom of Egypt, wanda akace a shekara ta 15th century BC. A Beirut ne cibiyar gwamnatin kasar Lebanon take, kuma tana taka muhimmiyar rawa a fannin tattalin arzikin kasar, tareda samun mafi yawan bankuna da wasu cibiyoyin hada hadar kudi a birnin, kamar Central District, Badaro, Rue Verdun, Hamra, Ryad el Soloh street, da Achrafieh. Sakamakon mummunar Lebanese Civil War, Beirut's cultural landscape underwent major reconstruction.