Ioan N. Lahovary or Ion Lahovari (January 25, 1844 – June 14, 1915) was a member of Romanian aristocracy, a politician and diplomat who served as the Minister of Foreign Affairs of Romania.
Ioan Lahovary was the brother of Alexandru Lahovary, who also previously served as foreign minister and General Iacob Lahovary who was his predecessor in the post of Minister of Foreign Affairs and later Minister of War. He was elected deputy, being a member of the Conservative Party since 1871. Lahovary served two terms as foreign minister: from April 11, 1899, until July 6, 1900, in the Gheorghe Gr. Cantacuzino Cabinet and March 12, 1907, until December 27, 1908.
He was a member of the senate from the conservative party, and he also served as chairman of the Senate. He was married to Princess Emma Mavrocordato (1860–1920), daughter of Prince Alexandru Mavrocordato (1819–1895) and his wife Elise Millo. They had five children. Among them was Princess Marthe Bibesco, a famous Romanian writer.
He died on June 14, 1915, in Bucharest.
