
Jonas Asevicius-Acus-Acukas was a Lithuanian army officer and chemist. From 1909 to 1918, he served in the Imperial Russian Army at Kaunas Fortress. He fought in the First World War and the Russian Civil War. In 1921 he returned to Lithuania and was mobilized into the Lithuanian Armed Forces, where he attained the rank of colonel (1927) and served until 1940. Acus graduated from Vytautas Magnus University in 1930. He lectured on chemistry and commodity science at Vytautas Magnus University (1934–1940), Vilnius University (1940–1950), and Lithuanian University of Agriculture (1951–1957). He wrote textbooks on foundations of commodity science (1949) and a short course in physical chemistry (1957). Acus was awarded the Commander's Crosses of the Order of Vytautas the Great (1938) and the Order of the Lithuanian Grand Duke Gediminas (1928).

Vaclovas Biržiška was a Lithuanian attorney, bibliographer, and educator.

Petras Ciunis was a Lithuanian army officer, educator.

Steponas Darius was a Lithuanian American pilot, who died in a non-stop flight attempt with the Lituanica from New York City to Kaunas, Lithuania, in 1933.

Jurgis Dobkevičius was a Lithuanian aviator and aircraft designer.

Antanas Ričardas Druvė (English: Anton Richard Druve; French: Antoine Richard Drouvet; was a Lithuanian military officer and Russian colonel of the General Staff.

Liudas Gira was a Lithuanian poet, writer, and literary critic. His is noted for his early poetry, which resembles traditional Lithuanian folk songs. Gira was active in cultural and political life, gradually shifting towards communism in 1930s. He supported the Soviet Union and helped to transform independent Lithuania into the Lithuanian Soviet Socialist Republic. His son, Vytautas Sirijos Gira, is also a known poet and writer.

Antanas Juozapavičius – First officer of the Army of the Republic of Lithuania to die while fighting in the Lithuanian Wars of Independence.
Jonas Noreika, also known by his post-war nom de guerre Generolas Vėtra, was a Lithuanian army officer, anti-Soviet rebel, Nazi collaborator and anti-communist partisan.

Augustinas Povilaitis was a captain of the Lithuanian Army and Director of the State Security Department of Lithuania. Together with Minister of the Interior Kazys Skučas, Povilaitis was a target of anti-Lithuanian Soviet propaganda in the days leading to the 1940 Soviet ultimatum and occupation of Lithuania. Directly after the Red Army invaded Lithuania on 15 June 1940, Povilaitis was arrested and transported to Moscow; he was executed in 1941. In 2006 he was awarded the Order of the Cross of Vytis.

Gregorius Radvenis or Gregorius Heidrikis was a squadron commander in the Lithuanian Air Force. He achieved the rank of captain in 1936. He became a qualified glider pilot pioneering and promoting gliding in Lithuania and holding the first gliding records in Lithuania. He managed and taught at gliding schools.

Kazys Škirpa was a Lithuanian military officer and diplomat. He is best known as the founder of the Lithuanian Activist Front (LAF) and his involvement in the attempt to establish Lithuanian independence in June 1941.