2024 Primera B de Chile
| Season | 2024 |
|---|---|
| Dates | 23 February – 7 December 2024 |
| Champions | Deportes La Serena (4th title) |
| Promoted | Deportes La Serena Deportes Limache |
| Relegated | Barnechea |
| Matches played | 248 |
| Goals scored | 624 (2.52 per match) |
| Top goalscorer | Lionel Altamirano (22 goals) |
| Biggest home win | Santiago Wanderers 6–0 San Luis (5 June) Barnechea 6–0 Dep. Limache (19 October) |
| Biggest away win | San Luis 0–6 Barnechea (19 August) |
| Highest scoring | Magallanes 7–1 San Luis (19 October) |
← 2023 2025 → | |
The 2024 Primera B de Chile, also known as Campeonato Ascenso Clínicas ACHS Salud 2024 due to sponsorship by the Chilean Safety Association (ACHS), was the 70th season of the Primera B de Chile, Chile's second-tier football league. The fixture for the season was announced on 24 January 2024, with the competition beginning on 23 February and ending on 7 December 2024.
Deportes La Serena won their fourth Primera B de Chile title in this season, securing both the championship and promotion to the Chilean Primera División with three matchdays to go in the regular season after a 1–0 win against Deportes Recoleta and a 3–2 loss for Barnechea against Deportes Antofagasta on 29 September. The other promoted side was Deportes Limache, who won the promotion play-offs after defeating Rangers on penalty kicks in the finals.