Crackerjack may refer to:
- Crackerjack, a British children's comedy television series, running from 1955 until 1984
- Cracker Jack, a snack consisting of caramel-coated popcorn and peanuts
- Crackerjack (film), a 2002 Australian comedy
- Cracker Jack, a character in the Street Fighter EX fighting game series
- a nickname for the United States Navy enlisted dress uniforms
- CrackerJack password cracker a dos password cracker
