Sarmisegetuza (or Sarmizegetusa) can refer to:
- Sarmizegetusa Regia - the old capital of the Dacian kingdom, located in the Orăștie Mountains, now a UNESCO World Heritage site
- Ulpia Traiana Sarmizegetusa - the old capital of Roman Dacia (after Dacia became a province of the Roman Empire), named after Sarmizegetusa Regia, located 20km from Hațeg
Both are listed under Hunedoara
Sarmizegetusa is also the name of the present-day village where Ulpia Traiana Sarmizegetusa is located.