Loch is the Scottish Gaelic and Irish word for a lake or a sea inlet.

Loch may also refer to: Places Loch, Victoria, a town in Australia Loch railway station Lochs, Outer Hebrides, a parish on the Isle of Lewis, Scotland Lochans, Dumfries and Galloway, Scotland Loch Castle (Eichhofen), a rare example of a Bavarian cave castle Mount Loch, a mountain in Australia The Loch (Central Park) in Manhattan, New York, United States Loch Fyne (Greenland), a fjord in East Greenland

Fiction and folklore Loch Ness Monster or "Nessie", a supposed aquatic being in Scottish folklore, which reputedly inhabits Loch Ness The Loch (novel), a novel by Steve Alten The Loch (TV series), a British TV series

Other uses Loch (surname) Baron Loch, a title in the Peerage of the United Kingdom Loch-class frigate, a class of ship built for the Royal Navy and her allies during World War II

See also Deloche (disambiguation) Loches, a commune in central France Loché, an associated commune of Mâcon, France Loche (disambiguation) List of lochs of Scotland Lochia, the vaginal discharge after giving birth Lough (disambiguation)