Vasilije Vasa Simić (22 July 1866 4 September 1931) was a Serbian lawyer, judge and attorney. He studied law in Paris and Geneva. He was president of the Belgrade Town Court and royal prosecutor in the summary court in the proceedings following his role in the proceedings following the "Ivandan assassination attempt" on King Milan in 1899. After the fall of the Obrenović dynasty in 1903, he was retired early from the position of judge of the Appellate Court in Belgrade and started his career as an attorney at law. During both of the Balkan Wars in 1912 and 1913 and World War I, 1914–1918, he was a reserve captain in the Supreme Command of the Serbian army and retreated with the army across Albania to the island of Corfu in 1916. He took part in the Battle of Kaymakchalan and the breach of the Salonika front. He was an expert at the Paris Peace Conference in 1919. He died in Belgrade at the age of 65.