Ballystrudder or Ballystruder (from Irish Baile Strudair, meaning "Strudar's townland") is a small village and townland (of 255 acres) on Islandmagee in County Antrim, Northern Ireland. It is situated in the historic barony of Belfast Lower and the civil parish of Islandmagee. In the 2001 Census it had a population of 781 people.