Roussanne is an ancient white grape variety, originating in the Rhone Valley of France. This variety is famous in blends with Marsanne in the northern Rhône Valley still white wines.

Roussanne is a medium to full-bodied white wine, with delicate aromas that can include peach, apricot, pear, honey and white flowers. On the palate, flavours of dried apricot, honey and herbs, with a distinctive oily texture, typical for Roussanne.

Roussanne is most commonly found in the Rhone Valley of France, where it is most often blended with Marsanne. In recent years, it has also become popular in California and Australia. Roussanne is a semi-vigorous variety and needs careful pruning to ensure the desired yields are achieved. It is also particularly susceptible to powdery mildew and therefore needs careful canopy management. In the winery, Roussanne can be barrel fermented or aged in stainless steel, depending on the desired style. It is mostly blended with other grapes. In the Rhone Valley, Roussanne is typically blended with Marsanne and other white varieties in wines such as Crozes-Hermitage and Hermitage. In California, the variety is often blended with Viognier, while in Australia it can also be found as a single varietal wine. The style of these wines can range from dry and crisp to rich and full-bodied. Roussanne is a versatile food wine and can pair with a variety of dishes. Its full-bodied nature and oily texture make it an ideal match for dishes such as grilled seafood, roasted chicken and creamy sauces.

The name Roussanne probably refers to the russet (roux) colour of the fully mature berries.