Villu may refer to:

  • Villu (given name), an Estonian masculine given name
  • Villu (film), a 2009 Indian Tamil film starring Vijay
  • Hari Villu, a 2003 Indian Telugu film
  • Onavillu, a simple, short bow-shaped musical instrument
  • Villu Paatu (or 'Bow Song'), an ancient form of musical story-telling art of South Kerala and Tamil Nadu
  • Viluppuram (also spelled Villupuram), a district and town in Tamil Nadu, India