Alexey Petrovich Bystrow, soms ook gespel Alexey Petrovich Bystrov of Aleksei Petrovich Bystrow, (Russies: Алексей Петрович Быстров; 1 Februarie 1899 - 29 Augustus 1959) was 'n Sowjet-paleontoloog, anatomis en histoloog. His is op 1 Februarie 1899 in die dorp Tarasovo gebore. Sy pa was 'n Russies-Ortodokse protopriester en sy ma 'n skoolonderwyseres. Bystrow, A.P. Kotlassia prima Amalitzky. Bulletin of the Geological Society of America, Washington, 1944, v.55, N5, pp.379-416. Bystrow, A.P. Hydrophilous and Xerophilous Labyrinthodonts. Acta Zool., Stockholm, A.Bonniers forlag, 1947, v.28, N1, pp. 137–164. Bystrow, A.P. The microstructure of dermal bones in Arthrodires. Acta Zool., Stockholm, A. Bonniers forlag, 1957, v.38, N2-3, pp. 239–275. Bystrow, A.P. The microstructure of skeleton elements in some vertebrates from lower Devonian deposits of the USSR. Acta Zool., Stockholm, A. Bonniers boktryckeri, 1959, v.40, N1, pp. 59–83. Bystrow, A.P. Hernia diaphragmatica beim Hunde.