Aleksandar Stoyanov Teodorov-Balan (Bulgarian: Александър Стоянов Теодоров-Балан; 27 October 1859 – 12 February 1959) was a Bulgarian linguist, historian and bibliographer. Balan was born in the village of Kubey, Russian Empire, today , Odessa Oblast, Ukraine, to a Bessarabian Bulgarian family. The Bulgarian general Georgi Todorov was his brother. Balan studied in Prague and Leipzig graduating in Slavistics from the Charles University in Prague. In 1884 he settled in Sofia, the capital of the Principality of Bulgaria, spending four years working for the Ministry of Popular Enlightenment. He became professor of Slavic ethnography and dialectology and history of the Bulgarian language, since 1893 head of the Bulgarian and Slavic literature department of the High Pedagogical School (the futur