title: Basil I (disambiguation)
text: # Basil I (disambiguation)
  
  Basil I the Macedonian (c. 811 – 886) was a Byzantine emperor and founder of the Macedonian dynasty.
  
  Basil I may also refer to:
  
  * Basil I of Constantinople, surnamed Scamandrenus, Patriarch of Constantinople 970–974
  * Basil I of Bulgaria, Patriarch of Bulgaria c. 1186 – c. 1232
  * Basil I of Russia (1371–1425), Grand Prince of Moscow and Vladimir 1389–1425
  * Vasilije, Serbian Patriarch in 1763–1765
  