Maarouf Saad (Arabic: معروف سعد‎) (1910 or 1914–6 March 1975) was a Lebanese politician and activist. He served as Sidon's representative in the Parliament of Lebanon between 1957 and 1972. He founded the Popular Nasserite Organization in 1973. Saad was known to have a charismatic and populist relationship with the residents of Sidon and the adjacent Palestinian refugee camps, according to historian Samir Khalaf.