Alexander Burggraf und Graf zu Dohna-Schlobitten (25 January 1661 – 25 February 1728) was a Prussian field marshal and diplomat. Alexander zu Dohna was born at the Palace of Coppet in Coppet near Geneva to Frederick, Burgrave of Dohna (1621–1688), Governor of the Principality of Orange, and Sperentia née du Puy de Montbrun. He and his brother Christoper were educated by Pierre Bayle. Dohna was the first to add the name of his family estate Schlobitten to his name. He was the principal of the construction of Schlobitten Palace. He died in Königsberg.