Abadía is a Spanish surname. Notable people with the surname include:
Adrián Abadía (born 2002), Spanish diver Agustín Abadía (born 1962), Spanish footballer Domingo Ascaso Abadía (1895–1937), Aragonese anarchist and trade union leader Francisco Javier Abadía (1770–1836), Spanish lieutenant general and minister of war Guillermo Abadía Morales (1912–2010), Colombian linguist, academic, folklorist and anthropologist Juan Carlos Ramírez Abadía (born 1963), Colombian drug trafficker Juan de la Abadía (fl. 1470–1498, probable death 1498), Spanish painter Miguel Abadía Méndez (1867–1947), President of Colombia Nelson Abadía (born 1956), Colombian football manager