Beydoun is a surname. A large number of people with this surname come from Bint Jbeil, a large, predominantly-Shiite town in south Lebanon. Many Beydoun's left Lebanon in 1970s and 1980s to Australia, Canada and America. Notable people with the surname include:
Abbas Beydoun (born 1945), Lebanese poet, novelist and journalist Nasser Beydoun, American business executive Ziad Rafiq Beydoun (1924–1998), Lebanese petroleum geologist