Badia or BadÃÂa is the surname of:
- Antoni Maria Badia i Margarit (1920âÂÂ2014), Spanish/Catalan linguist and philologist
- Carlo Agostino Badia (1672âÂÂ1738), Italian court composer
- Conchita BadÃÂa, stage name of Spanish soprano and pianist Concepció Badia Millàs (1897âÂÂ1975)
- Domingo BadÃÂa y Leblich (1767âÂÂ1818), Spanish traveller better known as Ali Bey el Abbassi
- Edgar Badia (born 1998), Spanish footballer
- Francesc Badia Batalla (1923âÂÂ2020), Andorran public servant, judge and historian
- Gerard BadÃÂa (born 1989), Spanish footballer
- José Badia (born 1945), Monegasque politician
- Lola Badia (born 1951), Spanish philologist, medievalist
- Maria Badia i Cutchet (born 1947), Spanish politician
- Miquel Badia (1906âÂÂ1936), radical Catalan separatist
- Pedro Franco BadÃÂa (1935âÂÂ2016), Secretary of Interior and Police of the Dominican Republic
- Pedro Llosas BadÃÂa (1870âÂÂ1955), Spanish politician
- Rosa Badia (born 1966), Spanish computer scientist
- Tommaso Badia (1483âÂÂ1547), Italian cardinal