Pia Alonzo Wurtzbach (Tagalog: ; German: ; born 24 September 1989), formerly known in the Philippine entertainment and modeling industry as Pia Romero, is a German-Filipina beauty pageant titleholder, model and actress who was crowned Miss Universe 2015 on 20 December 2015. She won the title Miss Universe Philippines 2015 at the Binibining Pilipinas 2015 pageant on 15 March 2015. She has served as a UNAIDS Goodwill Ambassador for Asia & the Pacific since 2016.
Wurtzbach is the third Filipina to win the title of Miss Universe, following Gloria Diaz who won in 1969 and Margarita Moran who won in 1973.
Wurtzbach was born in Stuttgart, Germany to a German father and Filipino mother. Her middle name "Alonzo" is her mother's maiden name, as per the naming practice in the Philippines and based upon Spanish naming customs. The family would settle, however, in Iligan in the Philippines and would later move to Cagayan de Oro in the country's Northern Mindanao region where she attended kindergarten at Kong Hua School and primary school at Corpus Christi.