'''Ahna O'Reilly''' ({{lahirmati||21|9|1984|}}) adalahbadalah seorang aktris berkebangsaan [[Amerika Serikat]]. Ia dikenal secara luas setelah bermain di film ''[[The Help (film)|The Help]]'' (2011).<ref>{{Cite web |url=http://movies.about.com/od/thehelp/ig/The-Help-Photos/Emma-Ahna-Bryce-Anna-Camp.htm/ |title=''About.com'', Emma Stone, Ahna O'Reilly, Bryce Dallas Howard and Anna Camp in 'The Help' |access-date=2012-10-11 |archive-url=https://web.archive.org/web/20111030095847/http://movies.about.com/od/thehelp/ig/The-Help-Photos/Emma-Ahna-Bryce-Anna-Camp.htm |archive-date=2011-10-30 |url-status=dead }}</ref>
