List of Famous people born in Alajuela Province, Costa Rica

Francisco Hernan Fonseca Lira is a Nicaraguan professional boxer. He has challenged twice for the IBF super featherweight title in 2017 and 2018.

Bryan Josué Oviedo Jiménez is a Costa Rican footballer who plays left back for Danish Superliga club Copenhagen.

Jhonny Acosta Zamora is a Costa Rican professional footballer who plays as a defender for the Costa Rica national team.

José María Hipólito Figueres Ferrer served as President of Costa Rica on three occasions: 1948–1949, 1953–1958 and 1970–1974. During his first term in office he abolished the country's army, nationalized its banking sector, and granted women and Afro-Costa Ricans the right to vote, as well as access to Costa Rican nationality to people of African descent. He was a good friend of the Governor of Puerto Rico, Luis Muñoz Marín, praising his political achievements in one of his essays.

Juan Santamaría Rodríguez was a drummer in the Costa Rican army, officially recognized as the national hero of his country for his actions in the Second Battle of Rivas, in the Filibuster War. He died in the battle carrying a torch he used to light the enemy stronghold on fire, securing a victory for Costa Rica against William Walker and his imperialist forces. Thirty five years after his death, he began to be idealized and was used as propaganda tool to inspire Costa Rican nationalism. A national holiday in Costa Rica, Juan Santamaría Day, is held annually on April 11th to commemorate his death.

Luis Alberto Monge Álvarez was the President of Costa Rica from 1982 to 1986. He also served as Costa Rica's first Ambassador to Israel from 1963 until 1966.

Hanna Gabriels Valle, known as Hanna Gabriels, is a Costa Rican professional boxer. She has held world championships in four weight classes, having held the WBA female light middleweight title since 2016; the WBA female light heavyweight and WBC female heavyweight titles since April 2021; the WBO welterweight title in 2009; and the WBO light middleweight title twice between 2010 and 2018. As of September 2020, she is ranked as the world's third best active light middleweight by The Ring and BoxRec.

Diego Alonso Estrada Valverde is a Costa Rican footballer who plays for C.S. Cartaginés.

Danny Gabriel Carvajal Rodríguez is a Costa Rican footballer who plays for Japanese club FC Ryukyu as a goalkeeper. He was a Costa Rica national player for many championships.

Juan Carlos Rojas Villegas is a Costa Rican cyclist, who is currently suspended from the sport following a positive drugs test at the 2017 Vuelta Ciclista a Costa Rica. He won the 2013–14 UCI America Tour.