| Club Gaa: | Derry Waterside Parish |
| Irish: | CLG Na Piarsaigh Doire Trasna |
| County: | Derry |
| Province: | Ulster |
| Colours: | Green and Red |
| Nickname: | Pearse's |
| Grounds: | Pairc na Piarsaigh |
| Coordinates: | 54.9847°N -7.3023°W |
| Pattern La: | _redshoulders |
| Pattern B: | _redshoulders |
| Pattern Ra: | _redshoulders |
| Leftarm: | 28AE7B |
| Body: | 28AE7B |
| Rightarm: | 28AE7B |
| Shorts: | FFFFFF |
| Socks: | 28AE7B |
Na Piarsaigh CLG Doire Trasna is a Gaelic Athletic Association club based in the Waterside area of Derry, County Londonderry, Northern Ireland. They play in the Derry GAA league and championships, and currently cater for Gaelic football.
Doire Trasna fields Gaelic football teams at U8, U10, U12, U14, U16, Minor, and Senior levels. Underage teams up to U-12's play in North Derry league and championships, from U-14 upwards teams compete in All-Derry competitions.