Regents of Bulgaria

Prime Minister of Bulgaria (1854-1895)

Bulgarian politician and archaeologist (1883-1945)

Bulgarian Royal (1895-1945)

Bulgarian politician (1843-1903)

Bulgarian politician (1884-1945)

Regent of Bulgaria (1890–1977)

Regent of Bulgaria (1891-1945)

Bulgarian politician, lawyer and diplomat (1880–1966)

officer, politician (1852-1891)

Bulgarian politician (1884-1952)

Isbul () (fl. 820s–830s) was the kavhan, or first minister, of the First Bulgarian Empire during the reigns of Omurtag, Malamir and Presian I. Appointed to the kavhan office under Omurtag, Isbul was a regent or co-ruler of the underage Malamir and his successor Presian.

10th-century first minister of the First Bulgarian Empire