Duodecimal system may refer to:
- duodecimal, a base-12 number system
- Dewey Decimal Classification, a misspelling of the library code
This disambiguation page lists articles associated with the title Duodecimal system.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.