John or Ivan Asen may refer to:

• Ivan Asen I (1186–1196), ruler of Bulgaria
• Ivan Asen II (1218–1241), ruler of Bulgaria
• Ivan Asen III (1279–1280), ruler of Bulgaria
• John Komnenos Asen, ruler of Valona
• John Doukas Angelos Palaiologos Raoul Laskaris Tornikes Philanthropenos Asen, 14th or 15th-century Byzantine noble child

Topics referred to by the same term

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