Gordonstoun School is a co-educational independent school for boarding and day pupils in Moray, Scotland. It is named after the 150-acre (61 ha) estate owned by Sir Robert Gordon in the 17th century; the school now uses this estate as its campus. It is located in Duffus to the north-west of Elgin. Pupils are accepted subject to an interview plus references and exam results.

It was founded in 1934 as the British Salem School by German-Jewish educator Kurt Hahn based on the model of Schule Schloss Salem, that he had founded in Germany in 1919. Gordonstoun has an enrollment of around 500 full boarders as well as about 100 day pupils between the ages of 5 and 18. With the number of teaching staff exceeding 100, there is a low student-teacher ratio compared to the average in the United Kingdom. There are eight boarding houses (formerly nine prior to the closure of Altyre house in summer 2016) including two 17th-century buildings that were part of the original estate. The other houses have been built or modified since the school was established.

Gordonstoun has some notable alumni. Two generations of British royalty were educated at Gordonstoun, including Prince Philip and his son King Charles III. Rock musician David Bowie sent his son Duncan Jones to Gordonstoun, and Jason Connery, son of actor Sir Sean Connery, also attended. Due to Hahn's influence, the school has had a strong connection with Germany. It is part of the Round Square Conference of Schools, a group of more than 80 schools across the globe based on the teaching of Hahn, and named after the Round Square building at Gordonstoun, where the first conference took place in 1967. Around 30% of students attending Gordonstoun come from abroad.

There were acknowledged cases of reported pupil abuse with no action taken in the 1970s and 1980s, for which the school much later apologised, commenting that at the time there had been "a completely unacceptable view that these were just things that happen".