"Henry Antrim", an alias used by Henry McCarty, better known as Billy the Kid, a 19th century outlaw

County Antrim, one of the counties of Northern Ireland

Antrim (Dáil Éireann constituency)

Antrim, New Hampshire

Richard Antrim, (1907-1969) a Rear Admiral in the United States Navy

Antrim County, Michigan

Antrim GAA, the gaelic football, hurling or any other sporting teams fielded by the Antrim County Board of the Gaelic Athletic Association

Battle of Antrim, during the Irish Rebellion of 1798

Antrim Township, Minnesota

Antrim, County Antrim, the town

Antrim Borough (Northern Ireland Parliament constituency)

Antrim (Northern Ireland Parliament constituency)

USS Antrim (FFG-20), named after Richard Antrim

Antrim Borough Council, an administrative division

Antrim Township, Michigan

Antrim Township, Pennsylvania, in Franklin County

Antrim (Parliament of Ireland constituency)

Antrim Township, Wyandot County, Ohio

Antrim Borough (Parliament of Ireland constituency)

Antrim, Nova Scotia

HMS Antrim, two ships of the Royal Navy, named after County Antrim

Antrim railway station, serving the town of Antrim

Antrim, Michigan