Bian or BIAN may refer to:
Places Bian River in China Bian (), the Chinese abbreviation for Kaifeng, Henan Province, China Bian, a former district of the Duchy of Lu in ancient China Bian River in Indonesia Bian, a former name for Uiseong County, North Gyeongsang, South Korea Bian, Hamadan, a village in Iran
People Bian, a Chinese surname Bian, short for rezubian, the Japanese term for lesbians
Others Banking Industry Architecture Network e.V. (BIAN), a nonprofit banking organization Bian (carriage), a four-wheeled horse-drawn vehicle Bian (weapon), a Chinese weapon also known as a "hard whip" Bi'an (monster), a Chinese monster considered a tigerlike dragon
See also Bian lian in Chinese drama