Þorvaldur

Þorvaldur (English transliteration: Thorvaldur) is an Icelandic masculine given name and may refer to:
 * Þorvaldur Örlygsson (born 1966), Icelandic football midfielder
 * Þorvaldur Sigbjörnsson (born 1974), Icelandic footballer
 * Þorvaldur Skúlason (1906–1984), Icelandic painter
 * Þorvaldur Thoroddsen (1855–1921), Icelandic geologist and geographer