Scots-Irish

Scotch-Irish or Scots-Irish may refer to;

 Ulster Scots people, an ethnic group in the Ulster province of Ireland which can trace its roots back to settlers from Scotland and northern England
 Ulster Scots language a protected language under the European Charter for Regional or Minority Languages
 Scots-Irish American, descendents of the Ulster Scots people who first migrated to North America in large numbers beginning in the early 18th century