Alfredo Piedra Mora (16 August 1915 – 18 December 2003) was a Costa Rican footballer and manager.

[1] He was joint league top goalscorer in 1938 with 11 goals[3] and totalled 124 Primera División matches.

[4] He made his debut for Costa Rica playing alongside other Costa Rican greats like Hernán Bolaños and Alejandro Morera Soto in a February 1938 Central American and Caribbean Games match against Panama, scoring a goal in which proved to be his sole international game.

[2] As a manager, Piedra was in charge of teams like Orión, Saprissa (twice), Alajuelense (also twice), Cartaginés (5 times), Barrio México, Herediano, San Ramón, San Carlos, Puntarenas, Rohrmoser and in Mexico with Monarcas Morelia.

In total, Piedra was in charge at 356 Primera División matches and 49 times with the national team.