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

• A (disambiguation)