Daer may refer to:
- Lord Daer, a subsidiary title in the Peerage of Scotland, held by the Earl of Selkirk, used by courtesy by his eldest son.
Daer Water, a tributary river of the River Clyde, Scotland.
- Daer Reservoir a manmade loch on the above.
- Daer Ales a beetle, and only one of its kind in the genus Daer
- Arthur Daer (1905–1980), cricketer
- Harry Daer (1918–1980), cricketer