Sillery () is a commune in the north-eastern French department of Marne.
The village's vineyards are located in the Montagne de Reims subregion of Champagne, and are classified as Grand Cru (100%) in the Champagne vineyard classification. The vineyards produce mostly Chardonnay grapes; the grapes are used to produce both Champagne and still Coteaux Champenois wine.