Westhues is a surname. Notable people with the surname include:
Alfons Lütke-Westhues (1930–2004), German equestrian August Lütke-Westhues (1926–2000), German equestrian Jonathan Westhues, American software engineer Kenneth Westhues, Canadian sociologist Mike Westhues (1949–2013), American-born Finnish singer-songwriter and guitarist