Ivan Asen II of Bulgaria
（重定向自Ivan Asen II）
![](/Images/godic/202501/21/G_danchov_ivan_asen3922.jpg")
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![The Bulgarian Empire during the reign of Ivan Asen II.](/Images/godic/202501/21/Campaigns_of_Ivan_Assen_II3922.png")
![A golden coin of Tsar Ivan Asen II.](/Images/godic/202501/21/Ivan_Asen_2-coin-gold3922.JPG")
Ivan Asen II (Bulgarian:Иван Асен II, pronounced [iˈvan ɐˈsɛn ˈftɔri]; also Йоан Асен II, Yoan Asen II;) in English sometimes known as John Asen II, ruled as Emperor (Tsar) of Bulgaria from 1218 to 1241, during the Second Bulgarian Empire.