Commonweal or common weal may refer to:
- Common good, what is shared and beneficial for members of a given community
- Common Weal, a Scottish think tank and advocacy group
- Commonweal (magazine), an American lay-Catholic-oriented magazine (1924–present)
- Commonweal (newspaper), a British socialist newspaper (1885–1894)
- Commonwealth, a form of government without a monarch in which people have governmental influence
