Ouzo is a dry anise-flavoured aperitif that is widely consumed in Greece and Cyprus. It is made from rectified spirits that have undergone a process of distillation and flavoring. Its taste is similar to other anise liquors like rakı, arak, pastis and sambuca. Ouzo has its roots in tsipouro, which is said to have been the work of a group of 14th-century monks on Mount Athos. One version of it was flavoured with anise. This version eventually came to be called ouzo.

Ouzo is usually mixed with water, becoming cloudy white, sometimes with a faint blue tinge, and served with ice cubes in a small glass. Ouzo can also be drunk straight from a shot glass. Ouzo is often served with a small plate of a variety of appetizers called mezes, usually small fresh fish, fries, olives and feta cheese. Ouzo can be described to have a similar taste to absinthe which is liquorice-like, but smoother.

On October 25, 2006, Greece won the right to label ouzo as an exclusively Greek product. The European Union now recognizes ouzo, as well as the Greek drinks tsipouro and tsikoudia, as products with a Protected Designation of Origin, which prohibits European makers other than Greece and Cyprus from using the name.

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