BYQ may refer to:
The Byzantine Empire, also referred to as the Eastern Roman Empire, was the continuation of the Roman Empire in the East during Late Antiquity and the Middle Ages, when its capital city was Constantinople (modern-day Istanbul, which had been founded as Byzantium).
BYD Auto Co., Ltd. is a Chinese automobile manufacturer based in Xi'an, Shaanxi Province, and a wholly owned subsidiary of BYD Company.
The bystander effect, or bystander apathy, is a social psychological phenomenon that refers to cases in which individuals do not offer any means of help to a victim when other people are present.
Byun Baek-hyun (born May 6, 1992), better known mononymously as Baekhyun, is a South Korean singer and actor.
Bydgoszcz /ˈbɪdɡɒʃtʃ/ (Polish pronunciation: [ˈbɨdɡɔʂt͡ʂ], German: Bromberg [ˈbʁɔmbɛɐ̯k], Latin: Bydgostia) is a city in northern Poland, on the Brda and Vistula rivers.
Bye Bye Birdie is a stage musical with a book by Michael Stewart, lyrics by Lee Adams, and music by Charles Strouse.
The Byzantine–Sasanian War of 602–628 was the final and most devastating of the series of wars fought between the Byzantine (Eastern Roman) Empire and the Sasanian Empire of Persia.
Byelorussia, officially the Byelorussian Soviet Socialist Republic (Byelorussian SSR or BSSR; Belarusian: Белару́ская Саве́цкая Сацыялісты́чная Рэспу́бліка / Белару́ская ССР, Bielaruskaja Savieckaja Sacyjalistyčnaja Respublika / Bielaruskaja SSR,Russian: Белору́сская Сове́тская Социалисти́ческая Респу́блика, Белорусская ССР Belorusskaja Sovetskaja Socialističeskaja Respublika, Belorusskaja SSR), also referred to as Soviet Byelorussia was a sovereign state from between 1920-1922 and 1991-1994, one of fifteen constituent republics of the Soviet Union (USSR) existed from 1922-1991, and a sovereign part with its own legislation from 1990 to 1991. To the west it bordered Poland.
The Byzantine army or Eastern Roman army was the primary military body of the Byzantine armed forces, serving alongside the Byzantine navy.