Sheath, pronounced , may refer to:
Scabbard, a sheath for holding a sword, dagger, knife, or similar edged weapons, as well as long guns, such as rifles and shotguns.
The outer covering of an electrical cable
Debye sheath, a layer of a plasma in physics
Heliosheath, the region of the heliosphere beyond the termination shock
Kosha, an element in human being makeup according to Hinduist philosophy
Koteka, a penis sheath worn by some natives of New Guinea
Sheath (album), a 2003 album by LFO
Sheath dress, a type of dress
