Costas Papacostas (Greek: Κώστας Παπακώστας; 12 November 1939 – 21 September 2015) was the Cypriot Minister of Defence from 2008 to 2011. Following the Evangelos Florakis Naval Base explosion he resigned as Minister of Defence and was succeeded by , the Minister of Agriculture. In July 2013 he was found guilty of manslaughter, with the court saying he “closed his eyes to the danger” regarding the storage of explosives, for which he received a sentence of 5 years imprisonment.