Shmoo is a cartoon character created by Al Capp in the strip Li'l Abner.

Shmoo or Schmoo may refer to:

Shmoos, nickname of the Cosmic Ray Detection Units of CHICOS (California High School Cosmic Ray Observatory) Shmoo plot, an electrical engineering graphical display of the response of a component or system Shmoo (yeast), projection from yeast in response to mating pheromones Shmoo, a bird skin, typically as specimens for bird collections

See also Smoo Cave, a sea cave near Durness in north-west Scotland Schmuck, a pejorative sometimes euphemized as shmo