ɡˈʌstæv θˈɜːni; sˈʌmtaɪmz lˈɪstᵻd æz ɡʌstˈɑːvoʊ θˈoʊni; bˈɔːɹn twˈɛnti ˈeɪt fˈɛbɹuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd fˈɪfti wˈʌn ɪz ɐn ɪtˈæliən ɹᵻtˈaɪɚd ˈælpaɪn skˈiː ɹˈeɪsɚ.
Gustav Thöni (; sometimes listed as Gustavo Thoeni; born 28 February 1951) is an Italian retired alpine ski racer.