Definitions of Leon:
- noun: a city in central Mexico
- noun: a city in northwestern Spain at the foot of the Cantabrian Mountains
- noun: a historical area and former kingdom in northwestern Spain
- name: A male given name (common: 1 in 892 males; popularity rank in the U.S.: #162)
- name: A surname (common: 1 in 5555 families; popularity rank in the U.S.: #670)
- name: A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3370)