Kellner is a surname of German origin, often associated with various notable individuals and businesses. It can refer to people in different fields, including finance, sports, and the arts. The name is also linked to the Kellner family, known for their contributions to various industries. In some contexts, "Kellner" may refer to a waiter or server in German-speaking countries, derived from the word "Kellner," which means "steward" or "waiter." This term is commonly used in restaurants and hospitality settings, highlighting the role of individuals who serve food and drinks to customers.