How do you say wine taster in French?

There are a few ways to say "wine taster" in French, depending on the context and the level of formality:

Formal:

* Dégustateur de vin (most common and accurate)

* Expert en dégustation de vin (emphasizes expertise)

Informal:

* Dégustateur (can be used alone, but less precise)

* Goûteur de vin (less common, more informal)

Other possibilities:

* Sommelier (generally refers to a wine professional who recommends and serves wine, not just a taster)

* Oenologue (a winemaker or scientist specializing in wine)

The best option will depend on the specific situation and the intended meaning.