The Slovenian Volleyball League or 1A. DOL (Slovene: 1A. državna odbojkarska liga), currently named Sportklub prva odbojkarska liga due to sponsorship reasons, is the highest men's volleyball league in Slovenia. It is managed by the Volleyball Federation of Slovenia.

The Slovenia 1. DOL (Prva odbojkarska liga) is the premier professional men's volleyball league in Slovenia. Established as the top-tier competition in the country, it features the best Slovenian volleyball clubs competing annually for national supremacy. The tournament showcases high-level volleyball, intense rivalries, and talented athletes, drawing passionate fans and contributing significantly to the development of the sport within Slovenia. With a rich history and a commitment to excellence, the Slovenia 1. DOL serves as a vital platform for showcasing Slovenian volleyball talent and fostering competitive spirit across the nation.