Vileyka or Vilyeyka (Belarusian: Вілейка, romanized: Viliejka,[a] [vʲiˈlʲɛjka]; Russian: Вилейка; Lithuanian: Vileika, Polish: Wilejka) is a town in Minsk Region, Belarus.

It provides VLF communication between Russian Navy's headquarters and atomic submarines in the Atlantic, Indian and parts of the Pacific Ocean.

In the 10th–13th centuries, the territory was under the Principality of Polotsk, and in XIV–XVII under Grand Duchy of Lithuania as manor house Kurenets.

The city was first mentioned in 1460 as a borough center of the Vileyka Starostwo of the Ashmyany county in Grand Duchy of Lithuania.

In the year 1974, near the town of Vileyka Belarus's largest artificial reservoir was built — Vileyka reservoir with a total area of 63.3 km2 (24.4 sq mi) and a volume of 238 million cubic metres (8.4×10^9 cu ft).