Julius Caesar was a Roman military and political leader and one of the most influential men of classical antiquity. Julius Caesar may also refer to:
- Any of the Julii Caesares
- Julius Caesar (judge) (1557/8–1636), a British judge and politician
- Julius Caesar (cricketer) (1830–1878), a Surrey cricketer
- Cajus-Julius Caesar (b.1951), german politician (CDU), member of the German parliament, the Bundestag
In stage and screen:
- Julius Caesar (play), a Shakespeare play
- Julius Caesar (1950 film), starring Charlton Heston
- Julius Caesar (1953 film), starring Marlon Brando, James Mason, and John Gielgud
- Julius Caesar (1970 film), starring Charlton Heston, Jason Robards, and Richard Johnson
- Julius Caesar (TV miniseries), a 2002 TV miniseries directed by Uli Edel
In fictional characters:
- Gaius Julius Caesar (character of Rome)
- General Julius Caesar, a villain from the series Great Mazinger
- Julius Caesar, a recurring character in Asterix
In other uses:
- Julius Caesar (album), an album by Smog
- Julius Caesar (crater), an impact crater on the moon
