Baltiysky District (Russian: Балтийский район) is an administrative district (raion), one of the fifteen in Kaliningrad Oblast, Russia.

[5] Its administrative center is the town of Baltiysk, which accounts for 90.7% of the district's total population of 36,047 (2010 Census).

Baltiysky District is located on the Sambia Peninsula in the west of the oblast along the Baltic Sea coast, and partially forms the Vistula Lagoon.

The area of the district is 101 square kilometers (39 sq mi), with roughly half consisting of the Russian side of the Vistula Spit, which is an unpopulated exclusion zone except for a small portion on the northern tip that is part of Baltiysk.

[3] Baltiysky District shares a border with Zelenogradsky District in the north, and an international border with Poland in the south.