Pervomayskoye (Russian: Первома́йское; Finnish: Kivennapa) is a rural locality (a settlement) in Vyborgsky District of Leningrad Oblast, Russia, located on the Karelian Isthmus, 60 kilometers (37 mi) northwest of St. Petersburg. It serves as the administrative center of Pervomayskoye Settlement Municipal Formation—an administrative division of the district—as well as of Pervomayskoye Rural Settlement, which that administrative division is municipally incorporated as. Population: 4,469 (2010 Census); 4,496 (2002 Census).