The 2010 A Championship Cup was a one-off cup competition featuring teams that played in the 2010 A Championship.
It was also referred to as the Newstalk Cup for sponsorship reasons.
[1] It was won by Sporting Fingal A, who defeated Bohemians A in the final.
All the teams played each other once and the group winners then advanced to the semi-finals.
Teams were ranked by total points, then goal difference and then goals scored.