Veinticinco de Mayo

Veinticinco de Mayo (25 May) may refer to:


 * First National Government, creation of the Primera Junta in Argentina on 25 May 1810; an annual public holiday

Argentina

 * Veinticinco de Mayo Partido, Buenos Aires Province
 * Veinticinco de Mayo, Buenos Aires, a city in Buenos Aires Province
 * Veinticinco de Mayo Department, Chaco, Chaco Province
 * Veinticinco de Mayo (Misiones), a municipality in Misiones Province
 * Veinticinco de Mayo Department, Misiones, Misiones Province
 * Veinticinco de Mayo Department, Río Negro, Río Negro Province
 * Veinticinco de Mayo, La Pampa, a town in La Pampa Province

Uruguay

 * Veinticinco de Mayo, Uruguay, a town in Florida Department

Ships of the Argentine Navy

 * ARA Veinticinco de Mayo, a set index of Argentine Navy ships, including:
 * ARA Veinticinco de Mayo (1890), a protected cruiser in service 1891–1921
 * ARA Veinticinco de Mayo (C-2), a cruiser in service 1931–1960
 * ARA Veinticinco de Mayo (V-2), an aircraft carrier in service 1969–1997