Ī¤holos, a circular building, may refer to:
- Tholos tomb, or Beehive tomb
- Tholos, keyhole-shaped houses of the Halaf culture of the Ancient Near East
- A circular temple of Ancient Greece
- The Tholos at Athens, a building which housed the Prytaneion, or seat of government, in ancient Athens
- The Tholos at Delphi, a circular building located approximately 800 metres from the main site of the ruined Temple of Apollo
- The Tholos at Epidaurus, a circular building with an ornate astronomical floor design
- Tholos, an alternative name of Theologos, a village in Rhodes, Greece
- Tholos (Ancient Rome), a structure found in the centre of the macellum
- The tallest part of the United States Capitol dome, on which the Statue of Freedom stands