County Wexford is a county in Ireland. It is in the province of Leinster and is part of the Southern Region. Named after the town of Wexford, it was based on the historic Gaelic territory of Hy Kinsella, whose capital was Ferns. Wexford County Council is the local authority for the county. The population of the county was 163,527 at the 2022 census.

Leinster is one of the four provinces of Ireland, in the southeast of Ireland.