| Founded | 1952 |
|---|---|
| Country | Chile |
| Confederation | CONMEBOL |
| Number of clubs | 16 |
| Level on pyramid | 2 |
| Promotion to | Primera División |
| Relegation to | Segunda División |
| Domestic cup | Copa Chile |
| Current champions | Universidad de Concepción (2nd title) (2025) |
| Most championships | Deportes Temuco (5 titles) |
| Broadcaster(s) | TNT Sports |
| Website | Official webpage |
| Current:2025 Primera B de Chile | |
Campeonato Primera B (English:Chilean First B Division) is the second tier in theChilean football league system, and is organized by theAsociación Nacional de Fútbol Profesional. It was established in 1952 asSegunda División, and later renamed in 1996 to the current name. Since 1954, automatic promotion to and relegation fromCampeonato Nacional has been granted, althoughPalestino andRangers were promoted to the top flight in the first season.
These are the teams participating in the Chilean Primera B as of the 2025 season:
| Club | Titles | Runners-up | Seasons won | Seasons runner-up |
|---|---|---|---|---|
| Deportes La Serena | 4 | 4 | 1957, 1987, 1996, 2024 | 1956, 1960, 2003, 2019 |
| Coquimbo Unido | 4 | 2 | 1962, 1977, 2018, 2021 | 1966, 1990 |
| San Luis | 4 | 2 | 1955, 1958, 1980, 2014–15 | 1968, 1983 |
| Rangers | 3 | 5 | 1988, 1993, 1997 Apertura | 1952, 1977, 2000, 2007, 2011 |
| Unión San Felipe | 3 | 4 | 1970, 2000, 2009 | 1961, 1988, 2014–15, 2020 |
| Deportes Iquique | 3 | 3 | 1979, 1997 Clausura, 2010 | 1992, 2008, 2023 |
| Santiago Morning | 3 | 3 | 1959, 1974, 2005 | 1957, 1958, 1981 |
| Santiago Wanderers | 3 | 2 | 1978, 1995, 2019 | 1999, 2009 |
| Unión La Calera | 3 | 2 | 1961, 1984, 2017 | 1955, 2010 |
| Deportes Temuco | 3 | 1 | 1991, 2001, 2015–16 | 1959 |
| San Marcos de Arica | 3 | 1 | 1981, 2012, 2013–14 | 2016–17 |
| Provincial Osorno | 3 | — | 1990, 1992, 2007 | — |
| Ñublense | 2 | 6 | 1976, 2020 | 1969, 1971, 1973, 1980, 2006, 2012 |
| Cobresal | 2 | 2 | 1983, 1998 | 1993, 2001 |
| Curicó Unido | 2 | 2 | 2008, 2016–17 | 2013, 2015–16 |
| Deportes Concepción | 2 | 2 | 1967, 1994 | 1984, 2004 |
| Deportes Antofagasta | 2 | 1 | 1968, 2011 | 2005 |
| Green Cross | 2 | 1 | 1960, 1963 | 1959 |
| Lota Schwager | 2 | 1 | 1969, 1986 | 1967 |
| Palestino | 2 | 1 | 1952, 1972 | 1989 |
| Universidad de Concepción | 2 | 1 | 2013, 2025 | 2002 |
| Deportes Melipilla | 2 | — | 2004, 2006 | — |
| Universidad Católica | 2 | — | 1956, 1975 | — |
| Everton | 1 | 4 | 2003 | 1974, 1982, 1997 Apertura, 1997 Clausura |
| Huachipato | 1 | 3 | 1966 | 1965, 1991, 1994 |
| O'Higgins | 1 | 3 | 1964 | 1976, 1986, 1998 |
| Cobreloa | 1 | 2 | 2023 | 2018, 2022 |
| Magallanes | 1 | 2 | 2022 | 1979, 2024 |
| Deportes Puerto Montt | 1 | 1 | 2016–17 | 1996 |
| Fernández Vial | 1 | 1 | 1982 | 1985 |
| Naval | 1 | 1 | 1971 | 1978 |
| Trasandino | 1 | 1 | 1985 | 1963 |
| Deportes Aviación | 1 | — | 1973 | — |
| Ferrobadminton | 1 | — | 1965 | — |
| Thomas Bata | 1 | — | 1953 | — |
| Unión Española | 1 | — | 1999 | — |
| Universidad de Chile | 1 | — | 1989 | — |