Tuntange (French pronunciation: [tœ̃tɑ̃ʒ]; Luxembourgish: Tënten; German: Tüntingen) is a small town in western Luxembourg, in the canton of Mersch.

On 1 January 2018, the commune was merged with Boevange-sur-Attert to form the new commune of Helperknapp.

The former commune consisted of the villages: The arms were granted on January 25, 1983.

The field with its single charge, a buckle, is derived from the arms of the Lords of Hollenfels, as the village was part of the Hollenfels Estate.

This article related to the geography of Mersch canton is a stub.