Na Piarsaigh CLG Doire Trasna is a Gaelic Athletic Association club based in the Waterside in Derry City, Northern Ireland. They play in the Derry league and championships. They currently cater for Gaelic football.
Doire Trasna fields Gaelic football teams at U8, U10, U12, U14, U16, Minor, Reserve 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.