Vasileios Melas (Greek: Βασίλειος Μελάς; Athens, 1879–1956) was an officer of the Greek army. He was Pavlos Melas' younger brother.
Vasileios Melas was born in Athens and was the last of the seven children of the jurist, merchant and politician Michael Melas and Eleni G. Voutsina from Kefalonia. When he finished secondary school, Vassileios studied in the Hellenic Military Academy. At the age of 17, he discontinued his studies, joined the cavalry as a corporal and took part in the Greco-Turkish War of 1897. By the end of the war, he continued his studies and graduated from the academy with the rank of second lieutenant.
Later he continued his military studies at the Infantry and Cavalry School in Namur in Belgium and then he studied as lieutenant in the Cavalry School at Saumur (France) (1910–11). He fought in the Balkan Wars of 1912–13 and in the Northern Epirote autonomy struggle in 1914. In 1915–16, Melas studied at the Captains School. He took part in the Greco-Turkish War of 1919–22 as Commander of the Cavalry Division (1920). As colonel, he also served as adjutant of King Alexander of Greece.
From 1923 until 1925, Melas served as military attaché of Greece in Belgrade and later in Paris and London. In 1926 Melas was promoted to the rank of major general and in 1930 he became a lieutenant general.