Moos in Passeier (; ) is a comune (municipality) and a village in the Passeier Valley. It is located in South Tyrol, northern Italy, about 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 .
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. Martin in Passeier, Schnals, Tirol and Sölden (in Austria).
The emblem represents three argent and sharp peaks, silhouetted against the azure sky and the vert grass, which symbolizes the position of the municipality. The coat of arms was granted in 1967.
According to the 2024 census, 99.52% of the population speak German, 0.42% Italian and 0.05% Ladin as first language.