Michalis Vardanis (Greek: Μιχάλης Βαρδάνης; 1936 – 14 January 2014) was a Hellenic Army officer, a lawyer and a major figure in the resistance against the Regime of the Colonels.

[3] At the time of the colonels' coup d'état of 21 April 1967, Vardanis was serving as a captain of in a tank unit in Polygyros.

Following the establishment of the military regime, he became privy, through his regimental commander, of the plans for the counter-coup by King Constantine II and the monarchist Army leadership.

He was held along with Moustaklis in strict isolation for the next three months and again tortured by EAT-ESA—Moustaklis remained crippled as a result—until the general amnesty proclaimed on 24 August 1973 by the dictator Georgios Papadopoulos in his effort to usher in a guided transition to democratic rule.

[2] Following his retirement, he became active in the ranks of the Communist Party of Greece, and from 1995 until 2005 was chairman of the Society of the Imprisoned and Exiled Resistance Members 1967–74.