Alegre (surname)

Alegre is a Spanish surname. Notable people with the surname include:
 * Alibel Alegre (born 1983), Spanish figure skater
 * Alona Alegre (1948–2018), Filipino actress (Stage name)
 * David Alegre (born 1984), Spanish field hockey player
 * Derlis Alegre (born 1994), Paraguayan footballer
 * Diego Alegre (born 1982), Spanish footballer
 * Efraín Alegre (born 1963), Paraguayan politician
 * Emma Alegre (born 1933), Filipino actress
 * Esteban Alegre (c. 1550–1620), Spanish Creole landowner and conquistador
 * Johnny Alegre (born 1955), Filipino jazz musician
 * Juan B. Alegre (1882–1931), Philippine senator
 * Manuel Alegre (born 1936), Portuguese poet and politician
 * Mauricio Alegre (born 1975), Mexican footballer
 * Mauro Alegre (born 1988), Argentine footballer
 * Milton Alegre (born 1991), Argentine footballer
 * Narciso Alegre (c. 1800s), Spanish general
 * Narciso Alegre Pellicer (1866-?), Carlist exile to the Philippines
 * Narciso J. Alegre (1911–1980), Filipino civil liberties advocate
 * Norberto Costa Alegre (born 1951), Prime Minister of São Tomé and Príncipe
 * Oscar Alegre (born 1983), Argentine footballer
 * Pedro Alegre (born 1961), Spanish sprint canoeist
 * Ramón Alegre (born 1981), Spanish field hockey player
 * Ricardo Alegre (born 1959), Mexican politician