Lemmer (disambiguation)

Lemmer may refer to:
 * Lemmer (De Lemmer), a town in the municipality of Lemsterland (province of Friesland), in the Netherlands
 * Lemmer (surname)
 * Lemmer (whaling), a person who dismembers (butchers) a whale
 * Moths
 * Lemmeria, a genus of the family Noctuidae
 * Acronicta lemmeri or the impressive dagger moth
 * Catocala lemmeri or the graceful underwing
 * Hypagyrtis lemmeri or the esther moth
 * Lithophane lemmeri or Lemmer's noctuid moth
 * Zale lemmeri or the gray spring zale