Castelar is city in Buenos Aires Province, Argentina. Castelar may also refer to:
People Armando Castelar (born 1955), Brazilian economist Emilio Castelar (1832-1899), Spanish republican politician, and a president of the First Spanish Republic
Buildings Casa de Castelar, settlement house in Los Angeles, California, U.S. Hotel Castelar, hotel in Buenos Aires, Argentina
Other 2013 Castelar rail accident, Argentine rail disaster Castelar e Nelson Dantas no País dos Generais, 2007 Brazilian documentary film Castelar Park, located in Badajoz, Extremadura, Spain Monument to Castelar (Madrid), public art in Madrid, Spain
See also Castela (disambiguation) Castellar (disambiguation) Castelão (disambiguation)