Aleksandr Mikhailovich Butlerov (Алекса́ндр Миха́йлович Бу́тлеров) (September 15, 1828, Chistopol – August 17, 1886, new style) was a Russian chemist, one of the creators of the theory of chemical structure (1857 - 1861), the first to incorporate double bonds into structural formulas, the discoverer of hexamine (1859), and the discoverer of the formose reaction.

The crater Butlerov on the Moon is named after him.

Aleksandr Butlerov was born in Chistopol.