Viljo
Viljo is an Estonian and Finnish masculine given name and may refer to:
- Viljo Halme, Finnish footballer
- Viljo Heino, Finnish track and field athlete and 1948 Olympic competitor
- Viljo Kajava, Finnish poet and writer
- Viljo Nousiainen, Swedish athletics coach
- Viljo Revell, Finnish architect
- Viljo Rosvall, Finnish-born Canadian unionist
- Viljo Tuompo, Finnish military Major General and Lieutenant General
- Viljo Vellonen, Finnish cross country skier
- Viljo Vesterinen, Finnish accordionist and composer
- Viljo Wirkkunen, Finnish-Canadian ice hockey coach