Tiers (German: [ˈtiːɐ̯s]; Italian: Tires [ˈtiːres]) is a comune (municipality) in the province of South Tyrol in northern Italy, located in the Tierser Tal about 15 kilometres (9 mi) east of the city of Bolzano.

As of November 30, 2010, it had a population of 979 and an area of 42.1 square kilometres (16.3 sq mi).

The first document about Tiers dates back to 993/94–1005: in a tradition note of the diocese of Freising, the Bavarian Count Otto from the Rapoton family transferred, among other things, his property in "Tieres" to Bishop Gottschalk of Freising.

[4] The emblem is formed by a bend, helmet shaped, of argent and azure on gules background.

[5] According to the 2024 census, 97.14% of the population speak German, 2.54% Italian and 0.32% Ladin as first language.