The 2019–20 Liga de Ascenso season is the 99th season since its establishment. The tournament is divided into two championships, the Apertura and Clausura, each in an identical format and each contested by 12 teams.
| Competition: | Segunda División de Costa Rica |
| Season: | 2019–20 |
| Winners: |
A total of 18 teams compete in the 2019–20 Liga de Ascenso and separate into two Groups of 9 with the top four progressing to the final stages of the Apertura and Clausura sections.
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