Aleksandar Cincar-Marković (Serbian Cyrillic: Александар Цинцар-Марковић; 20 June 1889 – 1947) was a Serbian politician who was the Minister of Foreign Affairs of the Kingdom of Yugoslavia.

[1] He is noteworthy for his role in the Yugoslav accession talks to the Tripartite Pact, holding meetings with Adolf Hitler on 28 November 1940 to receive assurances in Germany–Yugoslavia relations.

[2]: 338  After Yugoslavia acceded to the Tripartite Pact on 25 March 1941,[3]: 121f.

a coup was launched two days later by anti-Axis segments of the Yugoslav armed forces, removing Cincar-Marković from power.

This paved the way to the Invasion of Yugoslavia by Axis forces starting in early April.