Marwan Fares (; born 1947 in Qaa) is a Lebanese politician and former member of the Parliament of Lebanon. He was a leader of the Syrian Social Nationalist Party in Lebanon.
Fares earned a doctorate in French literature from Paris-Sorbonne University and was a professor at the Lebanese University.
He was elected for the Greek-Catholic seat in Baalbek-Hermel since 1996. Between 1996 and 2005, he chaired the Parliamentary Committee on Human Rights.