| Club Gaa: | Killyclogher St Mary's |
| Irish: | Coill an Chlochair Naoimh Muire |
| Crest: | Killyclogher_St_Mary's_Crest.png |
| Founded: | 1904 |
| Province: | Ulster |
| County: | Tyrone |
| Nickname: | Cappagh |
| Colours: | Navy and Sky Blue |
| Grounds: | Ballinamullan |
| Coordinates: | 54.6016°N -7.2546°W |
| F1: | 0 |
| F2: | 0 |
| F3: | 2 |
| H1: | 0 |
| H2: | 0 |
| H3: | 4 |
| Pattern La: | _lightblueborder |
| Pattern B: | _lightbluehorizontal |
| Pattern Ra: | _lightblueborder |
| Pattern Sh: | _skysides |
| Pattern So: | _hoops_sky |
| Leftarm: | 101A56 |
| Body: | 101A56 |
| Rightarm: | 101A56 |
| Shorts: | 101A56 |
| Socks: | 101A56 |
Killyclogher St Mary's is a Gaelic Athletic Association club based in the village of Killyclogher in County Tyrone, Northern Ireland. After many years of underage success, the club finally made the Senior Championship breakthrough in 2003. In 2016 they added another Senior Championship to their collection. They have appeared in 5 Senior County finals in the last 20 years.