Pio (surname)

Pio is the surname of:


 * Angelo Piò (1690–1770), Italian sculptor
 * Antonio Pio (composer) (1753–1795), Italian composer
 * Antonio Pio (painter) (1809–1871), Italian painter
 * Domenico Piò (1715–1801), Italian sculptor, son of Angelo Piò
 * Emmanuel Pío (born 1988), Argentine footballer
 * Iørn Piø (1927–1998), Danish folklorist, historian and archivist
 * Louis Pio (1841–1894), one of the founders of the organized worker's movement in Denmark and principal founder of the Danish Social Democratic Party
 * Teodoro Pio (died 1561), Italian Roman Catholic bishop