Hailes may refer to:
- Places
- Hailes Castle, the castle in East Lothian, Scotland
- Hailes Abbey, the abbey in Gloucestershire, England
- Hailes Church, the church at Hailes Abbey in Gloucestershire, England
- Hailles, a commune in the Picardy region of France
- People
- Patrick Hepburn, 1st Lord Hailes
- Patrick Hepburn, 2nd Lord Hailes
- Patrick Buchan-Hepburn, 1st Baron Hailes
- Sir David Dalrymple, 1st Baronet of Hailes
- Sir James Dalrymple, 2nd Baronet of Hailes
- Sir David Dalrymple, 3rd Baronet, Lord Hailes
- Adam Hepburn, Master of Hailes
- Lady Hailes
- Other
- Hailes (ball game) is a Scottish ball game
- Lordship and Barony of Hailes, a Scottish feudal lordship