Definitions of Simon:
- noun: United States economist and psychologist who pioneered in the development of cognitive science (1916-2001)
- noun: United States playwright noted for light comedies (born in 1927)
- noun: United States singer and songwriter (born in 1942)
- noun: one of the twelve Apostles (first century)
- name: A male given name (common: 1 in 3846 males; popularity rank in the U.S.: #404)
- name: A surname (common: 1 in 3846 families; popularity rank in the U.S.: #428)