Leech (disambiguation)

Leech may refer to:

Leech, common name for the annelids comprising the subclass Hirudinea
- Leeching, a form of bloodletting in medieval and early-modern medicine which used leeches
Leech, an old term for a doctor of medicine
Leech, metaphorically, a person who exploitatively latches onto other people
Leech (computing), in computing, someone who uses others' information or effort but does not provide any in return
The aft edge of a sail, which is referred to as a leech in sailing
Leech (comics), a fictional character in the X-Men universe.
Leech lattice, in mathematics, a lattice Λ in R²⁴, discovered by John Leech (mathematician)
Leech (He-Man), a character from He-Man and the Masters of the Universe
Leeches, an alternative name for pythiosis in horses
The 12th episode of the first season of Smallville
The Leech, a 1956 film
Leech (Eve 6 song), a song by Eve 6

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