Stjepan Đureković (8 August 1926 – 28 July 1983) was a Croatian political dissident and businessman who was assassinated by the Yugoslavian State Security Administration (UDBA) in West Germany in 1983.

During World War II he avoided service in the Independent State of Croatia's armed forces to join the Partisans.

[2] After falling out with the government he defected to West Germany in 1982 where he became involved with the Croatian National Committee, an Ustaše-linked organization.

[11] In October 2009, German police arrested Luka Sekula, a Croat with Swedish citizenship, for participation in the murder.

[14] In August 2016, both Perković and Zdravko Mustač were proclaimed guilty in a first-instance verdict and sentenced to life imprisonment for abetting the murder of Đureković.