Austria-Hungary
- Nedeljko Čabrinović, for conspiring to assassinate Archduke Franz Ferdinand
- Vaso Čubrilović, for conspiring to assassinate Archduke Franz Ferdinand
- Veljko Čubrilović, for conspiring to assassinate Archduke Franz Ferdinand
- Dragutin Dimitrijević, for conspiring to assassinate Archduke Franz Ferdinand
- Trifko Grabez, for conspiring to assassinate Archduke Franz Ferdinand
- Danilo Ilić, for conspiring to assassinate Archduke Franz Ferdinand
- Cvjetko Popović, for conspiring to assassinate Archduke Franz Ferdinand
- Gavrilo Princip, for assassinating Archduke Franz Ferdinand
- Nazario Sauro, for fighting for Italy in the First World War
Read more about this topic: List Of People Convicted Of Treason