| Pixels: | 250 |
| Competition: | Liga FPD |
| Continentalcup1: | CONCACAF League or CONCACAF Champions League |
| Matches: | 12 |
| Total Goals: | 26 |
| League Topscorer: | 26 players (1 goal) |
| Biggest Away Win: | (7 January) |
| Prevseason: | 2017 Apertura |
| Nextseason: | 2018 Apertura |
| Season: | 2017–18 |
The 2018 Apertura season served as the opening half of the 2017–18 Liga FPD season. It began on 6 January 2018 and, given the possibility of a final, will end on 20 May 2018.
Pérez Zeledón are the defending champions.
| Team | Chairman | Manager | Captain | Kit manufacturer | Shirt sponsor | |
|---|---|---|---|---|---|---|
| Alajuelense | Fernando Ocampo | Nicolás dos Santos | José Salvatierra | Kelme | Claro, Toyota, Mobil[1] | |
| Carmelita | Isidro Zamora | Mario Víquez | Carlos Acosta | Sportek | Great Wall Motors, Universidad Santa Lucía | |
| Cartaginés | Luis Vargas | Adrián Leandro | Danny Fonseca | Joma | Meco, Premium, Toyota | |
| Grecia | Dagoberto Matamoros | Walter Centeno | Daniel Vallejos | ProSport | ROES, Super Rosvil | |
| Guadalupe | Vacant[2] |  Antonio Abasolo | To be determined | Pirma | Dream Travels, Papa John's[3] | |
| Herediano | David Patey | Jafet Soto | Óscar Granados | Umbro | Kölbi, San Miguel, Toyota[4] | |
| Liberia | Julio Salas | Víctor Abelenda | Rafael Núñez | Prosport[5] | Pulmitan, Condovac, Toyota, Philips, Papa John's | |
| Limón | Noel Ferguson | Horacio Esquivel | Kareem McLean | Sportek | Reina's | |
| Pérez Zeledón | Juan Artavia |  José Giacone | Keilor Soto | Living Sport | Kölbi, Tracopa | |
| Santos | Rafael Arias | Johnny Chávez | Edder Monguío | Living Sport | El Colono, Eusse, CopyVisión | |
| Saprissa | Carlos Watson | Vladimir Quesada | Daniel Colindres | Kappa | Bimbo, Huawei, Toyota | |
| UCR | Fernando Ocampo Cano |  Marco Arias | Darío Delgado | Roma | INS |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Incoming manager | Date of appointment |
|---|---|---|---|---|---|---|
| Alajuelense | Wílmer López | Stepped back to assistant | 19 December 2017[6] | Pre-season | Rubén Israel | 19 December 2017 |
| Herediano | Hernán Medford | Resigned | 26 December 2017[7] | Jafet Soto | 2 January 2018[8] | |
| Liberia | Fernando Castro | End of caretaker spell | 30 December 2017[9] | Víctor Abelenda | 30 December 2017 | |
| Alajuelense | Rubén Israel | Resigned | 6 January 2018[10] | Nicolás dos Santos | 6 January 2018 |