Martell (German pronunciation: [marˈtɛl]; Italian: Martello [marˈtɛllo]) is a valley and comune (municipality) in South Tyrol in northern Italy.

Ulten is in the neighboring valley to the East, while Peio, Rabbi and Valfurva are to the south.

Apart from the main village of Gand (Ganda), the municipality of Martell contains the frazioni (subdivisions, mainly villages and hamlets) of Ennetal (Val d'Enne), Ennewasser (Transacqua), Gand (Ganda), Meiern, and Sonnenberg (Montesole), as well as several farms and hotels.

The emblem shows two-headed sable eagle, with an or halo, placed on argent mountain and azure background.

According to legend, the right to adorn the city arms with the imperial eagle was recognized for the courage showed, from the residents, in the Battle of Schanzen nearby Colorano.