Nikolai Todorov Todorov (Bulgarian: Николай Тодоров Тодоров; June 6, 1921 – August 27, 2003) was a Bulgarian historian.

[1] In 1990, he briefly served as acting president of Bulgaria.

Todorov was born in Varna[1] and, as he noted himself, he was of Greek descent.

[2] Todorov was inspired to go into politics after the trial of Traycho Kostov, whom he had shared a prison cell with during World War II.

[3] After a distinguished academic career, which included a position at the National and Kapodistrian University of Athens, he joined the Bulgarian Ministry of Foreign Affairs.