Circuit can refer to any of the following:
- Circuit Breaker, a character in the Marvel Comics portion of the Generation One continuity family.
- Circuit, and Action Master from the Generation One continuity family.
- Circuit, a Micromaster from the Operation Combination portion of the Generation One continuity family
- Circuits, various component parts of a Transformer.
This is a disambiguation page: a list of articles associated with the same title. If an internal link referred you to this page, you may wish to change the link to point directly to the intended article.