2019–20 Primera B Nacional
The 2019–20 Argentine Primera B Nacional, also known as the 2019–20 Primera Nacional, was the 35th season of the Primera B Nacional, the second tier of Argentine football. The season began on 15 August 2019 and was scheduled to end in May 2020. Thirty-two teams compete in the league, twenty-one returning from the 2018–19 season, four teams that were relegated from Primera División, two teams promoted from Federal A and five from B Metropolitana.
Due to the COVID-19 pandemic, the Argentine Football Association suspended the tournament on 17 March 2020. On 28 April 2020 AFA announced the abandonment of the competition as well as the culmination of the 2019–20 season in all of its leagues, with no clubs promoted or relegated. AFA also announced that a decision on a suitable method for promotion from the Primera Nacional and lower tiers would be reached in due time.
Club information
Stadia and locations
| Club | City | Stadium |
| Agropecuario Argentino | Carlos Casares | Ofelia Rosenzuaig |
| All Boys | Buenos Aires | Islas Malvinas |
| Almagro | José Ingenieros | Tres de Febrero |
| Alvarado | Mar del Plata | José María Minella |
| Atlanta | Buenos Aires | Don León Kolbowsky |
| Atlético de Rafaela | Rafaela | Nuevo Monumental |
| Belgrano | Córdoba | Julio César Villagra |
| Barracas Central | Buenos Aires | Claudio Chiqui Tapia |
| Brown | Adrogué | Lorenzo Arandilla |
| Chacarita Juniors | Villa Maipú | :es:Estadio de Chacarita Juniors|Chacarita Juniors |
| Defensores de Belgrano | Buenos Aires | Juan Pasquale |
| Deportivo Morón | Morón | Nuevo Francisco Urbano |
| Deportivo Riestra | Buenos Aires | Guillermo Laza |
| Estudiantes | Caseros | Ciudad de Caseros |
| Estudiantes | Río Cuarto | Antonio Candini |
| Ferro Carril Oeste | Buenos Aires | Arquitecto Ricardo Etcheverry |
| Gimnasia y Esgrima | Jujuy | 23 de Agosto |
| Gimnasia y Esgrima | Mendoza | Víctor Legrotaglie |
| Guillermo Brown | Puerto Madryn | Raúl Conti |
| Independiente Rivadavia | Mendoza | Bautista Gargantini |
| Instituto | Córdoba | Presidente Perón |
| Mitre | Santiago del Estero | Doctores José y Antonio Castiglione |
| Nueva Chicago | Buenos Aires | Nueva Chicago |
| Platense | Florida Este | Ciudad de Vicente López |
| Quilmes | Quilmes | Centenario |
| San Martín | San Juan | Ingeniero Hilario Sánchez |
| San Martín | San Juan | Estadio del Bicentenario |
| San Martín | Tucumán | La Ciudadela |
| Santamarina | Tandil | Municipal Gral. San Martín |
| Sarmiento | Junín | Eva Perón |
| Temperley | Temperley | Alfredo Beranger |
| Tigre | Victoria | José Dellagiovanna |
| Villa Dálmine | Campana | Villa Dálmine |