Definitions of Leo:
- noun: the fifth sign of the zodiac; the sun is in this sign from about July 23 to August 22
- noun: a zodiacal constellation in northern hemisphere between Cancer and Virgo
- noun: (astrology) a person who is born while the sun is in Leo
- name: A male given name (common: 1 in 943 males; popularity rank in the U.S.: #168)
- name: A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3626)
- name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #6217)