Jean Messiha (born Hossam Boutros Messiha, Arabic: حسام بطرس مسيحة‎‎, 10 September 1970) is an Egyptian-born French economist and politician. A former senior civil servant at the Ministry of Defence, he joined the National Front (FN) in 2016, when he became spokesman of Horaces, a group of high-ranking civil servants and business executives who meet once a month to discuss the party platform. He stood as a candidate in the 2017 legislative election in the 4th constituency of Aisne. In 2020, he left the party to assume the presidency of the newly-founded Apollon Institute, a far right think tank.