Moos in Passeier (German: [ˈmoːs ɪn paˈsaɪɐ]; Italian: Moso in Passiria [ˈmoːzo im pasˈsiːrja]) is a comune (municipality) and a village in the Passeier Valley . It is located in South Tyrol, northern Italy, about 40 kilometres (25 mi) northwest of the province's capital Bolzano , on the border with Austria.

As of 30 November 2010, it had a population of 2,174 and an area of 193.8 square kilometres (74.8 sq mi).

The word Moos means bog or wetland in Austro-Bavarian dialects of German.

Moos in Passeier borders the following municipalities: Partschins , Ratschings , Riffian, St. Leonhard in Passeier, St.