|Gight shown within Aberdeenshire|
|OS grid reference|
|Sovereign state||United Kingdom|
Gight is the name of an estate in the parish of Fyvie in the Formartine area of Aberdeenshire, Scotland, United Kingdom. It is best known as the location of the 16th-century Gight (or Formantine) Castle , ancestral home of Lord Byron.
The castle was built to an L-shaped plan, probably in the 16th century by George Gordon, the second laird. It was later occupied by Catherine Gordon Byron, the mother of Lord Byron, but she sold it in 1787 to George Gordon, 3rd Earl of Aberdeen to pay off her debts. It was then occupied by the Earl's son, George Gordon, Lord Haddo, until the latter's early death in 1791, since when it has been uninhabited. It was designated a scheduled ancient monument in 1965. 
It is said that the ruins are haunted by a piper who disappeared while exploring an underground passageway.
The Gight Woods are presently a protected natural forest.