YU or Yu may refer to:
Yugoslavia (Serbo-Croatian, Slovene, Macedonian: Jugoslavija, Југославија; [juɡǒslaːʋija]) was a country in Southeastern and Central Europe for most of the 20th century.
Yuri Alekseyevich Gagarin (Russian: Ю́рий Алексе́евич Гага́рин, IPA: [ˈjʉrʲɪj ɐlʲɪˈksʲejɪvʲɪtɕ ɡɐˈɡarʲɪn]; 9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut.
The Yugoslav Wars were a series of ethnic conflicts, wars of independence and insurgencies fought from 1991 to 1999/2001 in the former Yugoslavia.
Yunnan is a province of the People's Republic of China, located in the far southwest of the country. It spans approximately 394,000 square kilometres (152,000 sq mi) and has a population of 45.7 million (as of 2009).
Yuna Kim KTM (born on September 5, 1990, in Bucheon, Gyeonggi Province), also credited in eastern name order as Kim Yuna or Kim Yeon-ah, is a South Korean former professional figure skater.
Yulia Volodymyrivna Tymoshenko (Ukrainian: Ю́лія Володи́мирівна Тимоше́нко, pronounced [ˈjulʲijɐ voɫoˈdɪmɪrʲivnɐ tɪmoˈʃɛnko], née Hrihyan, Грігян, born 27 November 1960) is a Ukrainian politician.
Yuri Vladimirovich Andropov (; Russian: Ю́рий Влади́мирович Андро́пов, tr. Yuriy Vladimirovich Andropov, IPA: [ˈjʉrʲɪj vlɐˈdʲimʲɪrəvʲɪtɕ ɐnˈdropəf]; 15 June [O.S.