Vsevolozhsky District (Все́воложский райо́н) is an administrative and municipal district (raion), one of the seventeen in Leningrad Oblast, Russia. It is located in the central northwestern part of the oblast on the Karelian Isthmus and borders with Priozersky District in the north, Kirovsky District in the south, Vyborgsky District in the northwest, Nevsky, Krasnogvardeysky, Kalininsky, Vyborgsky, and Kurortny Districts of the federal city of St. Petersburg in the west, and is washed by Lake Ladoga in the east. The area of the district is . Its administrative center is the town of Vsevolozhsk. Population (excluding the administrative center): 131,233 (2002 Census);
The Okhta River flows through the district while the Neva defines its southeastern border. There are many lakes in the district, most significant of them being Lakes Lembolovskoye, Kavgolovskoye, Khepoyarvi, and Voloyarvi. The landscape is mostly flat with in the south and east and hilly in the west and northwest. Altitudes range between above sea level in the north to less than in the south.
Low moraine ridges with the relative height of are located parallel to the shore of Lake Ladoga, and along the coastal lowlands are the coastal dunes which reach the height of . About 60% of the district's territory is covered by forests, mostly pine. Swamps occupy another 3.6%.
Originally, the area of the district was populated by Finnic peoples, and historically was changing hands between Sweden and Russia; in particular, at some point it belonged to the Novgorod Republic, and from the 15th century, it was annexed together with all Novgorod Lands by the Grand Duchy of Moscow; it belonged to the Vodskaya pyatina, one of the five pyatinas of Novgorod Lands. In 1617, according to the Treaty of Stolbovo, the west of the area was transferred to Sweden, and in 1721, according to the Treaty of Nystad, it was transferred back by Russia.
In the course of the administrative reform carried out in 1708 by Peter the Great, the area was included into Ingermanland Governorate (known since 1710 as Saint Petersburg Governorate).