| Competition: | Newstalk A Championship |
| Season: | 2010 |
| Winners: | UCD A |
| Prevseason: | 2009 |
| Nextseason: | 2011 |
The 2010 A Championship was the third season of the A Championship in Ireland. The season was sponsored by Newstalk. The league featured 18 teams. UCD A were the champions, winning the title for a second time while Bohemians A finished as runners up.
| Team | Base | Stadium | |
|---|---|---|---|
| Celtic Park | |||
| United Park | |||
| Drumcondra | Tolka Park | ||
| Fingal | ALSAA Sports Complex | ||
| Sligo | Showgrounds | ||
| Team | Base | Stadium |
|---|---|---|
| The Valley | ||
| St Colman's Park | ||
| Limerick A | Riverside Park | |
| St Patrick's Athletic A | Richmond Park | |
| Tallaght Stadium | ||
| Tralee | Cahermoneen | |
| UCD A | Belfield | |
The tenth placed team from the 2010 First Division, Salthill Devon, played the highest placed non-reserve team, Cobh Ramblers, from the 2010 A Championship. The winner of this play off would play in the 2011 First Division.[1] Salthill Devon won 3 – 1 on aggregate and retained their place in the 2011 First Division