Alexander Kasimovich Kazembek (Russian: ??????´??? ????´????? ???????´? or ?????-???; Azeri: Aleksandr Kazimb?y or Mirz? Kazim-b?y; Persian: ????? ???? ??? Mirzâ Kâzem Beg) (22 July 1802 – 27 November 1870), born Muhammad Ali Kazim-bey (Azeri: M?h?mm?d ?li Kazimb?y), was an orientalist, historian and philologist of Azerbaijani and Iranian origin.
He was the grandfather of the Mladorossi founder Alexander Kazembek.