Tavastia

Tavastia or Tavastland may refer to:


 * Häme (Swedish: Tavastland, Latin: Tavastia)
 * Tavastia (historical province), a historical territory of Tavastians, later province of the kingdom of Sweden, located in modern-day Finland
 * Tavastia (constituency), formerly Tavastia South, Finland
 * Tavastia Proper, a modern region of Finland
 * Päijänne Tavastia, a modern region of Finland
 * Tavastia Club, a rock music club in Helsinki, Finland
 * MV Tavastland, a ship