Semon
Semon may refer to:
- Charles Semon, German and British businessman, politician and philanthropist
- Felix Semon, German neurobiologist and laryngologist
- Henry Semon, American farmer, businessman, and politician
- Larry Semon, American actor, director, producer, and screenwriter during the silent film era
- Mo Chuaroc moccu Neth Semon, an Irish monk and scholar of the Early Middle Ages
- Richard Semon, German zoologist and evolutionary biologist
- Waldo Semon, American inventor born in Demopolis, Alabama