Alexander Adam Thesleff

Alexander Adam Thesleff (26 May 1810 – 23 November 1856) is a Grand Duchy of Finland military officer and governor. He was born in Saint Petersburg. He died in Vyborg.

He was educated at Hamina Cadet School. Awards received include Order of Saint Stanislaus, 1st class, Order of St. Vladimir, 3rd class, Order of Saint Anna, 2nd class, Order of Saint Stanislaus, 2nd class, Order of St. Vladimir, 4th class, Order of Saint Stanislaus, 3rd class, -, and Order of Saint Anna, 4th class.