Silvio Werner Denz (born 14 September 1956 in Basel, Switzerland) is a Swiss entrepreneur and collector of wine and art, currently living in Switzerland.
He worked for various companies in Switzerland and the United States in finance, retail and marketing.
He now operates mainly in the fields of luxury goods and wine.
The Swiss business magazine Bilanz ranks him among the 300 wealthiest Swiss citizens and, more recently, among the 100 most important figures of the Swiss economy.