Alexander Lvovich Kazembek (Russian: Алекса́ндр Льво́вич Казембе́к, or Казем-Бек; French: Alexandre Kasem-Beg; 15 February [O.S. 2 February] 1902 – 21 February 1977), often spelled Kazem-Bek or Kasem-Beg, was a Russian émigré and political activist, and founder of the Mladorossi political group.