| Club Gaa: | St Mark's |
| Irish: | Naomh Marcais |
| Founded: | 1975 |
| Province: | Leinster |
| County: | Dublin |
| Nickname: | Mustangs |
| Colours: | Amber and Black |
| Grounds: | McGee Park |
| Pattern La: | _blackshoulders |
| Pattern Ra: | _blackshoulders |
| Leftarm: | FFD700 |
| Body: | FFD700 |
| Rightarm: | FFD700 |
| Shorts: | 000000 |
| Socks: | 000000 |
St Mark's is a Gaelic Athletic Association club based in Springfield, Tallaght in South Dublin, Ireland. St Marks won the 2005 Dublin Intermediate A Hurling Championship then went on in 2006 to win the Dublin Senior B Hurling Championship.St Mark's hurlers were promoted to AHL3 in 2018.St Mark's fielded teams at AFL4 in football and AHL3 Hurling in 2019.The hurling team won AHL5 and made it to the Dublin Junior A championship final too in 2017.They also got to the Intermediate Hurling championship Final in 2018, another promotion in AHL4 the same year.The club also caters for Juvenile, Minor and Junior teams in Football, Hurling, Camogie and Ladies Football.