The Belarusian Women's Volleyball 1st League or in (Belarussian Чэмпіянат Беларусі па валейболе сярод жанчын ) is the most important Belarusian women's volleyball competition organized by the Belarusian Volleyball Federation (Bielorusskaia Federatsija Volejbola, BFV), it was established in 1992 just after the dissolution of the Soviet Union.
Until 2007, the competition were held as a single round-robin tournament; the champions were determined by the number of points earned.
Beginning with the 2007 season, the structure of the championship was changed to two divisions: Division A, where the top teams plays for the title, and Division B, where the rest play for ranking only.