A nappe, in geology, is a sheet of rock moved more than 2 km above a thrust fault.

Nappe may also refer to:

Nappe (water), in hydraulic engineering, a sheet of water flowing over a dam or similar structure Nappe (geometry), either half of a double cone Orlando Nappe (c. 1931–2007), Argentine footballer

See also Nap (disambiguation) Nape (disambiguation) Napp (disambiguation) Nappage, in baking, a glazing technique