The 2018–19 Liga TDP season is the fourth-tier football league of Mexico.
The league format allows participating franchises to rent their place to another team, so some clubs compete with a different name than the one registered with the FA.
Group with 15 teams from Campeche, Chiapas, Quintana Roo, Tabasco and Yucatán.
Group with 16 teams from Puebla, San Luis Potosí, Tlaxcala and Veracruz.
Group with 19 teams from Guanajuato, Guerrero, Michoacán and Querétaro.
Group with 20 teams from Durango, Guanajuato, Jalisco, San Luis Potosí and Zacatecas.
Group with 20 teams from Coahuila, Nuevo León and Tamaulipas.
Eliminations will be held according to the average obtained by each group, being ordered from best to worst by their percentage throughout the season.
Until the championship series, the teams are divided into two geographical zones: South and North, the participants will be seeded according to their position in the general classification table and their location.