Tio

Tio may refer to:


 * Tio (Zatch Bell!) a character from the Zatch Bell!, a Japanese manga series
 * T'í'o, aka "Tiyo", a city in Eritrea
 * Tio, Burkina Faso, a town in Burkina Faso
 * Tió de Nadal, a character in Catalan mythology
 * TiO, the chemical formula for titanium(II) oxide
 * "TiO" (Zayn song), 2016
 * Celina Tio, American chef
 * Elkan William Tio Baggott, Indonesia professional football player
 * Tio Salamanca, a fictional character in Breaking Bad and Better Call Saul
 * Tio Pakusadewo, Indonesian actor