Segunda División Profesional del Fútbol Profesional Chileno (English: Second Professional Division of Chilean Professional Football) is the third level of Chilean football league system, since the season 2012, is organized by the Asociación Nacional de Fútbol Profesional.

The Chilean Segunda División Profesional was established in 2012.

The Chile Segunda, officially known as the Primera B de Chile, is the second tier of professional football in Chile. It serves as a crucial platform for emerging talent and competitive clubs aiming to ascend to the top-flight Primera División. The tournament features a dynamic league format with teams competing throughout the season for promotion spots, while the lower-ranked clubs face relegation to the third division. Known for its passionate fan base and intense matches, the Chile Segunda plays a vital role in the development of Chilean football, showcasing promising players and fostering competitive spirit across the country.