Baron Géza Lukachich von Somorja (29 March 1865 – 25 December 1943) was an Austro-Hungarian military officer and nobleman. He was a lieutenant general in the Austro-Hungarian Army during World War I. Lukacich von Somorja graduated from a military school in Temesvár and upon graduation, he joined an infantry regiment. He progressed through the ranks to Chief of Staff, and later taught at the Maria Theresa Military Academy. During World War I, he fought in Serbia and on the Italian front. For his service he was invested in the Order of Maria Theresa, received a baronial title and the rank of Fel