jˈɪfuː hˈʌn ɔːɹ ji hˈʌn tʃˈaɪniːzlˌɛɾɚ tʃˈaɪniːzlˌɛɾɚ; dˈaɪd fˈoːɹhˈʌndɹɪd sˈɪksti sˈɪks, zˈaɪənbˌeɪ sˈɜːneɪm jˈɪfuː tʃˈaɪniːzlˌɛɾɚ tʃˈaɪniːzlˌɛɾɚ, zˈaɪənbˌeɪ pˈɜːsənəl nˈeɪm bˈuː tʃˈaɪniːzlˌɛɾɚ, wʌzɐ hˈaɪɹˈæŋkɪŋ əfˈɪʃəl ʌvðə zˈaɪənbˌeɪlˈɛd tʃaɪnˈiːz nˈɔːɹðɚn wˈaɪ dˈaɪnɐsti, hˌuː ɪfˈɛktɪvli bɹˈiːfli sˈɜːvd æz ðə ɹˈiːdʒənt fɔːɹ ˈɛmpɚɹɚ zˈaɪənwən.
Yifu Hun () or Yi Hun (乙渾; died 466), Xianbei surname Yifu (乙弗), Xianbei personal name Bu (步), was a high-ranking official of the Xianbei-led Chinese Northern Wei dynasty, who effectively briefly served as the regent for Emperor Xianwen.