Leo III.

Leo III. is the name of:

• Leo III. ( Byzantium ) ( ~ 680-741 ), Byzantine Emperor
• Leo III. ( Pope ) ( † 816 ), Pope
• Leo III. ( Abkhazia ) (the Great ), King of Abkhazia
• Leo III. (~ 1236-1289 ), King of Armenia, see Leon III. (Armenia )

Leo III may refer to:

• Leo III, another name for Leo A, a galaxy in the constellation of the Lion

• Disambiguation