Count Ladislas de Hoyos (Ladislaus Alfons Konstantin Heinrich Johannes de Hoyos, French pronunciation: [ladislɑ d(ə) wajo]; 27 March 1939 – 8 December 2011), born into the Austro-Hungarian House of Hoyos, was a French TV journalist and politician.
In 1972, in Bolivia, he unmasked with Nazi hunter Beate Klarsfeld, the Nazi war criminal Klaus Barbie who was hiding in this country under the false identity of Klaus Altmann.
In 1997, he worked at Radio France Inter to produce the history magazine The Days of the Century.
In 2001 he was elected mayor of Seignosse, Landes, position he held until his death.
In 1991 he met Magali Fernández-Salazar, young Neuroscientist, Philosopher and former Journalist at Radio France Internationale, with whom he began a relationship that lasted until the end of his life.