Epameinondas Kavvadias (Greek: Επαμεινώνδας Καββαδίας; 1 January 1886 – 10 April 1965) was a Greek admiral who served thrice as Chief of the Navy General Staff and led the Greek fleet in the first years of World War II.
As Captain, he served his first tenure as Chief of the Navy General Staff in 1933–1934. In 1935 he was appointed to the post of Commander of the submarine fleet, and served again for a short period at the head of the Navy General Staff in December 1936 – January 1937. He subsequently served as Chief of the Royal Naval Base at Salamis until 1939, including another short term at the head of the General Staff in August–September 1938. Promoted to Rear Admiral in the meantime, in September 1939 he was appointed Chief of the Fleet Command. He led the operations of the Greek fleet during the Greco-Italian War of 1940–1941, and following the German invasion of Greece in April 1941, led the fleet to its exile in the British-held Middle East. He remained Chief of the Fleet until 2 May 1942, when he was appointed Vice Minister for Naval Affairs in the Greek government in exile, a post he held until 25 March 1943. In 1946, he was sent to London as naval attaché. In 1950, he published his war memoirs under the title The naval war of 1940 as I experienced it (Greek: "Ο ναυτικός πόλεμος του 1940 όπως τον έζησα").
