An adz is a woodworking tool.

Adz or ADZ may also refer to:

• Adamanzane, a nitrogen compound

• Adzera language

• The Age of Adz, an album by Sufjan Stevens

• Allgemeine Deutsche Zeitung für Rumänien, a German-language Romanian newspaper

• Amiga Disk File

• Gustavo Rojas Pinilla International Airport in San Andrés, Department of San Andrés and Providencia, Colombia (IATA airport code ADZ)