Lev Nikolov Glavinchev (April 19, 1903 - August 20, 1970) was a Bulgarian communist, officer (colonel) and politician. Glavinchev was a member of the Internal Macedonian Revolutionary Organization, and one of the most controversial personalities in the Macedonian freedom movement. An active participant in the communist partisan movement during the Second World War, he was also a commander of the First Sofian Revolutionary Operative Zone of the National Freedom Revolutionary Army (NOVA). As commendant of the People's Militsiya after the 1944 coup d'état, he personally, willingly and methodically killed officers, intellectuals and public figures.