Yiannos Papantoniou

Yiannos Papantoniou (; born 27 July 1949) is a former member of the National Parliament in Greece (MP) from 1988 to 2007, Minister of National Defense (2001−03), Minister of Economy and Finance (1994−2001).

On 24 October 2018, upon decision of the prosecuting authorities, Papantoniou and his wife were detained and sent to Korydallos prison, pending their trial for grave corruption and money-laundering charges, the losses for the Greek State being estimated at 400 million Euro.

On 7 April 2020 Yannos Papantoniou was released from temporary detention upon decision of a Judicial Council that stated that insufficient evidence was provided for sending the case to trial and ordered the investigating authorities to search for supplementary evidence through seeking further depositions. A trial was held by the Athens Appeals Court on 15 January 2025 in order to consider the charges. On 20 September 2025 the three-member Appeals Court unanimously acquitted Yannos Papantoniouand his wife Stavroula Kourakou, as well as another co-defendant (Andreas Bardis), of all charges.