Antrim in Northern Ireland may refer to

• Antrim town.
• County Antrim, one of the traditional counties of Ireland.
• Antrim Borough Council, an administrative division.

The following are constituencies in the House of Commons and also Assembly constituencies in the Northern Ireland Assembly:

• East Antrim
• North Antrim
• South Antrim

It is also the name of several places in the United States of America:

• Antrim, Louisiana
• Antrim, Michigan
• Antrim, New Hampshire
• Antrim, New York
• Antrim, Ohio
• Antrim, Pennsylvania
• Antrim County, Michigan
• Antrim Township, Michigan
• Antrim Township, Minnesota
• Antrim Township, Pennsylvania

and in Canada:

• Antrim, Nova Scotia
• Antrim, Ontario

Notable individuals named Antrim include:

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

Other notable Antrims include:

• USS Antrim (FFG-20), named after Richard Antrim.
• Two ships of the Royal Navy named HMS Antrim after County Antrim.