The Junior A Championship has eleven teams competing in 2021. Two groups, Grúpa A with 6 teams and Grúpa B with 5 teams, were drawn at the Donegal GAA Centre in Convoy yesterday. The Groups are as follows:
| Junior A Championship – 2021 | ||
| Grúpa A | Grúpa B | |
| Naomh Ádhamnnáin D | Carndomhnaigh | |
| Roibeard Éimíd | Naomh Ultan/Colmcille | |
| Na Dunaibh | Naomh Padraig Uisce Chaoin | |
| Iorras | Paite Gabha | |
| Na Rossa | Gaeil Leitir Ceanainn | |
| Bun an Phobail | ||
Each ream will play four games as per a matrix generated by the Servasport system. With three games in each Round, Grúpa A will be run over four weeks but with just two games in each Round it will take five weeks to run-off Grúpa B. Each week one of the Grúpa B teams gets a bye. The fixtures are as follows:
| Junior A Championship – Round 1 2021 | ||
| Grúpa A | ||
| Naomh Ádhamnnáin D | v | Roibeard Éimíd |
| Na Dunaibh | v | Iorras |
| Na Rossa | v | Bun an Phobail |
| Grúpa B | ||
| Carndomhnaigh | v | Naomh Ultan/Colmcille |
| Naomh Padraig Uisce Chaoin | v | Paite Gabha |
| Bye | Gaeil Leitir Ceanainn | |
| Junior A Championship – Round 2 2021 | ||
| Grúpa A | ||
| Roibeard Éimíd | v | Na Dunaibh |
| Bun an Phobail | v | Naomh Ádhamnnáin D |
| Iorras | v | Na Rossa |
| Grúpa B | ||
| Paite Gabha | v | Carndomhnaigh |
| Gaeil Leitir Ceanainn | v | Naomh Padraig Uisce Chaoin |
| Bye | Naomh Ultan/Colmcille | |
| Junior A Championship – Round 3 2021 | ||
| Grúpa A | ||
| Bun an Phobail | v | Iorras |
| Naomh Ádhamnnáin D | v | Na Dunaibh |
| Na Rossa | v | Roibeard Éimíd |
| Grúpa B | ||
| Naomh Padraig Uisce Chaoin | v | Carndomhnaigh |
| Naomh Ultan/Colmcille | v | Gaeil Leitir Ceanainn |
| Bye | Paite Gabha | |
| Junior A Championship – Round 4 2021 | ||
| Grúpa A | ||
| Iorras | v | Naomh Ádhamnnáin D |
| Na Dunaibh | v | Na Rossa |
| Roibeard Éimíd | v | Bun an Phobail |
| Grúpa B | ||
| Carndomhnaigh | v | Gaeil Leitir Ceanainn |
| Paite Gabha | v | Naomh Ultan/Colmcille |
| Bye | Naomh Padraig Uisce Chaoin | |
| Junior A Championship – Round 4 2021 | ||
| Grúpa B | ||
| Naomh Ultan/Colmcille | v | Naomh Padraig Uisce Chaoin |
| Gaeil Leitir Ceanainn | v | Paite Gabha |
| Bye | Carndomhnaigh | |
By Sinéad Breen Communications Officer Wed 9th Jun
