| 2010–11 Liga Nacional de Básquet season | |
| League: | Liga Nacional de Básquet |
| Sport: | Basketball |
| Duration: | 15 October 2010 – 3 April 2011 (regular season) 6 April – 5 June 2011 (playoffs) |
| No Of Teams: | 16 |
| Tv: | TyC Sports |
| Mvp: |  Juan Pedro Gutiérrez |
| Playoffs: | 2011 Liga Nacional de Básquet Playoffs |
| Finals Champ: | Peñarol |
| Finals Runner-Up: | Atenas |
| Finals Mvp: | Leonardo Gutiérrez (Peñarol) |
| Seasonslistnames: | Liga Nacional de Básquet |
| Prevseason Link: | 2009–10 Liga Nacional de Básquet season |
| Prevseason Year: | 2009–10 |
| Nextseason Link: | 2011–12 Liga Nacional de Básquet season |
| Nextseason Year: | 2011–12 |
The 2010–11 Liga Nacional de Básquet season was the 27th season of the top professional basketball league in Argentina. The regular season started on 15 October 2010. Peñarol won their third title, defeating Atenas in the finals.
Torneo Nacional de Ascenso Champions from the previous season Monte Hermoso Básquet and runners-up Argentino de Junín were promoted, occupying the berths left by Quilmes and Central Entrerriano. Both teams would return to the Torneo Nacional de Ascenso at the end of the season after losing their respective relegation series.
| width=250px | Team | width=200px | City | width=200px | Arena | width=70px | Capacity |
|---|---|---|---|---|---|---|---|
| Estadio José Albert | |||||||
| El Fortín de las Morochas | 1,800 | ||||||
| 3,730 | |||||||
| Osvaldo Casanova | 3,950 | ||||||
| 2,000 | |||||||
| 2,000 | |||||||
| 2,276 | |||||||
| Estadio Moisés Flesler | 2,100 | ||||||
| Antonio Rotili | 4,000 | ||||||
| El Hogar de los Tigres | 4,000 | ||||||
| Polideportivo Municipal | 2,000 | ||||||
| 3,100 | |||||||
| 8,000 | |||||||
| 5,200 | |||||||
| José Jorge Contte | 4,000 | ||||||
| 4,500 |
The first stage took place between 15 October and 3 December 2010. Teams were divided into two zones. The top three teams from each zone plus the best fourth team overall and a wildcard competed in the Torneo Súper 8 that took place in December.
The seventh edition of Torneo Súper 8 took place on 16–20 December 2010 in the city of Formosa. Atenas won their first title, defeating Peñarol in the Final.
The second stage started on 6 December 2010. All 16 teams were ranked together. Each team carried over half of the points obtained in the first stage.
The Playoffs started on 6 April 2011 and ended on 5 June 2011. Peñarol defeated Atenas in the Finals.
The relegation series began on 8 April. Monte Hermoso Básquet and Argentino de Junín lost their respective series and were relegated to the Torneo Nacional de Ascenso.
| Team | Competition | Progress | |
|---|---|---|---|
| Final four | |||
| Group stage | |||
| Group stage | |||
| Final four | |||
| Fourth place | |||
| bgcolor=gold | Champions |