Ouzo (Greek: ούζο) is an anise-flavoured aperitif.

Ouzo production begins with distillation in copper stills of 96 percent alcohol by volume (ABV) rectified spirit. Anise is added, sometimes with other flavorings such as star anise, fennel, mastic, cardamom, coriander, cloves, and cinnamon. The result is a flavored alcoholic solution known as ouzo yeast. The ouzo yeast is then distilled. After several hours of distillation, a flavored distillate of approximately 80 ABV is produced. Makers of high-quality "100% from distillation" ouzo proceed at this stage with water dilution, bringing the ouzo to its final ABV.