YU or Yu may refer to:
Yugoslavia (; Serbo-Croatian: Jugoslavija/Југославија [juɡǒslaːʋija]; Slovene: Jugoslavija [juɡɔˈslàːʋija]; Macedonian: Југославија [juɡɔˈsɫavija]; Pannonian Rusyn: Югославия, transcr.
The Yugoslav Wars were a series of separate, but related ethnic conflicts, wars of independence and insurgencies fought from 1991 in the former Yugoslavia which led to the breakup of the Yugoslav state.
Yuri Alekseyevich Gagarin (Russian: Ю́рий Алексе́евич Гага́рин, IPA: [ˈjʉrʲɪj ɐlʲɪˈksʲejɪvʲɪtɕ ɡɐˈɡarʲɪn]; 9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut.
Yulia Volodymyrivna Tymoshenko (Ukrainian: Ю́лія Володи́мирівна Тимоше́нко, pronounced [ˈjulʲijɐ voɫoˈdɪmɪrʲivnɐ tɪmoˈʃɛnko]; born Hrihyan, Грігян, 27 November 1960) is a Ukrainian politician.
Yunnan (云南) is a province of the People's Republic of China, located in the far southwest of the country.
Yul Brynner (born Yuliy Borisovich Briner, Russian: Юлий Борисович Бринер; July 11, 1920 – October 10, 1985) was a Russian-born film and stage actor.Brynner was best known for his portrayal of King Mongkut of Siam in the Rodgers and Hammerstein musical The King and I, for which he won two Tony Awards and an Academy Award for the film version.