Osio
Osio may refer to;

Osio, Italian noble family who rose to prominence in Lombardy in the 12th century
Felice Osio (1587–1631), Italian scholar
Marco Osio (born 1966), Italian footballer
Antonio Maria Osio (1800–1878), founder of the Mexican landgrant Rancho Punta de los Reyes Sobrante in Marin County, California, USA
Osio Sopra, a town in Italy
Osio Sotto, a town in Italy

See also

OS10 (disambiguation)