Vilko is a Slovene and Croatian diminutive of William, traditionally used as a given name. In addition to its use as a personal name, Vilko is also recognized as the name of an Icelandic manufacturer of soups and baking products, established in 1949. The company's history includes a significant event in 2004 when its factory in Blönduós was destroyed by fire, leading to a temporary halt in production before operations were restored in a new facility.