Pervomaysk

Pervomaysk, or Pervomaisk, is a popular toponym in countries of the former Soviet Union that is derived from the holiday May Day (Первое Мая, Pervoye Maya), the International Workers' Day.

Pervomaysk or Pervomaisk may refer to:


 * Pervomaysk, Russia, multiple places in Russia
 * Pervomaisk, Ukraine, multiple places in Ukraine