Bayhaqi

Bayhaqi (meaning "from Bayhaq") is a surname. Notable people with the surname include:


 * Ahmad Bayhaqi (994–1066), Persian Islamic scholar
 * Abolfazl Beyhaqi (995–1077), Persian secretary, historian, and author
 * Abu'l-Hasan Bayhaqi (c. 1097–1169), Iranian historian and polymath