Antrim

• Donald Antrim (born 1958), American writer
• "Henry Antrim", an alias used by Henry McCarty, better known as Billy the Kid, a 19th-century outlaw
• Harry Antrim (1884-1967) vaudeville, film and television actor (sometimes billed as "Henry Antrim")
• Minna Antrim (1861-1950), American writer
• Richard Antrim (1907-1969), a rear admiral in the United States Navy

Canada

• Antrim, Nova Scotia
• Antrim, Ontario, now part of the city of Ottawa

Northern Ireland

• County Antrim, one of the counties of Northern Ireland
• Antrim, County Antrim, the town
• Antrim railway station, serving the town of Antrim
• Antrim (borough), an administrative division
• Antrim GAA, the Gaelic football, hurling or any other sporting teams fielded by the Antrim County Board of the Gaelic Athletic Association
  • Antrim county football team
• Former constituencies:
  • Antrim (UK Parliament constituency)
  • Antrim (Northern Ireland Parliament constituency)
  • Antrim Borough (Northern Ireland Parliament constituency)
  • County Antrim (Parliament of Ireland constituency)
  • Antrim (Parliament of Ireland constituency)

United States

• Antrim (Taneytown, Maryland), listed on the NRHP in Maryland
• Antrim, Michigan
• Antrim, New Hampshire, a New England town
  • Antrim (CDP), New Hampshire, the main village in the town
• Antrim, New York, a hamlet in Ramapo, New York
• Antrim, Ohio, a hamlet in Madison Township, Guernsey County
• Antrim, Pennsylvania, in Tioga County
• Antrim, Texas, a ghost town also known as Pleasant Hill
• Antrim County, Michigan
• Antrim Township, Michigan
• Antrim Township, Watonwan County, Minnesota
• Antrim Township, Pennsylvania
• Antrim Township, Wyandot County, Ohio

• USS Antrim (FFG-20), named after Richard Antrim
• HMS Antrim, two ships of the Royal Navy, named after County Antrim
• Antrim 20, an American sailboat design

• Battle of Antrim, during the Irish Rebellion of 1798