Circular may refer to:
* The shape of a circle
* Circular (album), ''Circular'' (album), a 2006 album by Spanish singer Vega
* Circular letter (disambiguation)
** Flyer (pamphlet), a form of advertisement
* Circular reasoning, a type of logical fallacy
* Circular reference
* Government circular, a written statement of government policy
See also
* Circular DNA (disambiguation)
* Circular Line (disambiguation)
* Circularity (disambiguation)
{{disambiguation
