Lujo Konstantinov Vojnović (1864–1951) was a Montenegrin and Serbian politician and diplomat from Croatia.[1]
Lujo Vojnović was born in Split into the Croatian Serbian noble family House of Vojnović from Herceg Novi, the son of Konstantin Vojnović and Maria Serragli. Vojnović studied law in Zagreb, however, graduated and earned a doctorate in Graz. He served as a judicial clerk in Zagreb, and later became a law clerk in Sarajevo and Trieste. Between 1894 and 1896, Vojnović held a law office in Dubrovnik. In 1896, Lujo Vojnović became a secretary to Prince Nicholas I of Montenegro. Vojnović was promoted to Minister, serving as Montenegro's Minister of Justice. Following his appointment, he reformed the Montenegrin judicial system. Between 1901 and 1903, Vojnović served as Montenegro's plenipotentiary ambassador in the Vatican. Between 1904 and 1906, he served under King Peter I of Serbia. Between 1907 and 1911, while in Bulgaria, Vojnović prepared the grounds for the Serbo-Bulgarian Agreement in 1911. Lujo Vojnović returned to Montenegro in 1912, serving in government once more. Between 1913 and 1914, he served as the Montenegrin delegate at the London Peace Conference, signing the Treaty of London on 28 May 1913. Vojnović married Tinka Kopač and had two daughters: Marija and Ksenija. He died in Zagreb at the age of 87.