Sir Alexander Oppenheim, OBE FRSE KT PMN (4 February 1903 – 13 December 1997) was a British mathematician and university administrator.
sˌɜːɹ ˌælɪɡzˈændɚɹ ˈɑːpənhˌaɪm, ˈoʊb ˌɛfˌɑːɹɹˌɛsˈiː kˌeɪtˈiː pˌiːˌɛmˈɛn fˈoːɹ fˈɛbɹuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd θɹˈiː θˈɜːtiːn dᵻsˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən wʌzɐ bɹˈɪɾɪʃ mˌæθɪmɐtˈɪʃən ænd jˌuːnɪvˈɜːsᵻɾi ɐdmˈɪnɪstɹˌeɪɾɚ.