Barton on Sea (often hyphenated as Barton-on-Sea) is a cliff-top village in Hampshire, England close to the town of New Milton to the north.

A number of Bronze Age funerary urns were uncovered in Barton during the early 20th century, although most of them have been lost or destroyed.

[7] In 1771 John Le Marchant of Guernsey conveyed "the scite of the manor of Barton, etc.," to Edward Dampier of Corfe Castle, in whose family it remained (the last holder having taken the name of Crossley) until 1903.

[9] In the First World War Barton was the site of a convalescent home for Indian service men,[6] and this is commemorated by an obelisk in the village which was erected in 1917.

[11] During World War II, the sea front at Barton was made a restricted area and metal defences including a pillbox were built, in anticipation of a German invasion.

Famous residents of Barton have included composer and author Ernest St. John Burton,[16] the novelist Beatrice Harraden;[17] the cricketer Denys Hill;[18] and the conductor Harry Norris.

[19] George Campbell Wheeler who served in the British Indian Army during World War I and was awarded the Victoria Cross also lived here.

[20] The GCHQ whistleblower and intelligence agency officer, Jock Kane, lived in Barton in the 1980s, where he worked as a milkman and school bus driver.

A cliff-top path runs between Barton and the village of Milford on Sea; the Solent Way stretches to Emsworth, on the West Sussex border.

[25] At the eastern end of the village is the Barton On Sea Golf Club, which is notable for comprising three loops of nine holes.

[6] The erosion was encouraged by the sea-defences added to the west at Bournemouth, thus starving Barton of the sediment needed for protecting its cliffs.