hˈeɪliːn ˈɛsnɔlt bˈɔːɹn sˈɛvəntˌiːn dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd fˈɪfti θɹˈiː ɪz ɐ fɹˈɛntʃ ænd dʒˈɜːmən mˌæθɪmɐtˈɪʃən, spˈɛʃəlˌaɪzɪŋ ɪn ˌældʒɪbɹˈeɪɪk dʒiˈɑːmətɹi.
Hélène Esnault (born 17 July 1953) is a French and German mathematician, specializing in algebraic geometry.