Carl Ludwig Patsch, also Karl Ludwig Patsch, Bulgarian: ???? ??? (14 September 1865 in Kowatsch (Czech: Kovac) bei Jitschin – 21 February 1945 in Vienna) was an Austrian Slavist, Albanologist, archaeologist and historian.
Carl Patsch was born in north-east Bohemia, as a son of Ludwig Patsch, a steward of an upper prince, but grew up in Maratschowka (Polish: Maraczówka, Moraczówka, Ukrainian: Maracivka) and Slawuta (Ukrainian: Slavúta), Volhynia.
He spoke Czech, Polish and Russian as mother languages.