Circled a, @, Ⓐ, (A), or variations thereof may refer to:
- At sign (@), used in email/X/Instagram addresses, macro signifiers, prices
- Anarchist symbol (), the A inscribed in a circle
- The trademark on the radiators of Atkinson lorries
- Enclosed A (ⓐ,Ⓐ), an "A" inscribed inside a circle, a typographic character, see Enclosed Alphanumerics
- United States Third Army, whose shoulder insignia is an A in a circle.
- @ (album), a 2013 album by John Zorn and Thurston Moore
- @ (unit), a custom unit (arroba)
- a symbol of New Atheism