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