Viljo

Viljo is an Estonian and Finnish masculine given name and may refer to:


 * Viljo Halme (1907–1981), Finnish footballer
 * Viljo Heino (1914–1998), Finnish track and field athlete and 1948 Olympic competitor
 * Viljo Kajava (1909–1998), Finnish poet and writer
 * Viljo Nousiainen (1944–1999), Swedish athletics coach
 * Viljo Revell (1910–1964), Finnish architect
 * Viljo Rosvall (1898–1929), Finnish-born Canadian unionist
 * Viljo Tuompo (1893–1957), Finnish military Major General and Lieutenant General
 * Viljo Vellonen (1920–1995), Finnish cross country skier
 * Viljo Vesterinen (1907–1961), Finnish accordionist and composer