Marko Lerinski (Bulgarian: Марко Лерински; 20 June 1862 – 13 June 1902) was the nickname of Georgi Ivanov Gyurov (Георги Иванов Гюров), also known as Georgi Geroyski, a Bulgarian military expert and revolutionary. A prominent member of the Internal Macedonian–Adrianople Revolutionary Organization (IMARO), Lerinski was the first person to propose a common anti-Ottoman uprising in Macedonia and Thrace.