Julius Caesar may mean:

• Julius Caesar (13 July 100 BC–15 March 44 BC), the famous dictator of ancient Rome
• Julius Caesar (play), a Shakespeare play about the Roman Julius Caesar
• Sir Julius Caesar (judge) (1557/8–18 April 1636), a British judge and politician
• Julius Caesar (cricketer) (25 March 1830–6 March 1878), a Surrey cricketer who played 194 first-class cricket matches between 1849 and 1867