| 1A. DOL | |
| Pixels: | 170 |
| Administrator: | Volleyball Federation of Slovenia |
| Sport: | Volleyball |
| Founded: | 1991 |
| Level: | 1 |
| Relegation: | 1B. DOL |
| Domestic Cup: | Slovenian Cup |
| Confed Cup: | Champions League CEV Cup Challenge Cup |
| Teams: | 8 |
| Country: | Slovenia |
| Continent: | Europe (CEV) |
| Champion: | ACH Volley (20th title) |
| Champ Season: | 2023–24 |
| Most Champs: | ACH Volley (20 titles) |
| Tv: | Sportklub |
| Website: | Official website |
The Slovenian Volleyball League or 1A. DOL (Slovenian: 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.
Teams in the 2023–24 season
| Team | Location | Hall |
|---|---|---|
| ACH Volley | Ljubljana | Tivoli Hall |
| Alpacem Kanal | Kanal | Kanal Sports Hall |
| Calcit Volley | Kamnik | Kamnik Sports Hall |
| Fužinar SIJ Metal Ravne | Ravne na Koroškem | OŠ Prežihovega Voranca |
| Hiša na kolesih Triglav | Kranj | Planina Sports Hall |
| i-Vent Maribor | Maribor | Tabor Hall |
| Krka | Novo Mesto | Marof Sports Hall |
| Panvita Pomgrad | Murska Sobota | Green Hall Puconci |
| width=15% | Club | width=10% | Titles[1] | width=75% | Winning years |
|---|---|---|---|---|---|
| ACH Volley | 2000, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024 | ||||
| Salonit Ahnovo | 1994, 1995, 1996, 1997, 1999 | ||||
| Maribor | 1992, 1993, 2021 | ||||
| Calcit Volley | 2001, 2002, 2003 | ||||
| Fužinar | 1998 | ||||
| Šoštanj Topolšica | 2004 | ||||