'''Larne ''' (, the name of a Gaelic territory) is a seaport and industrial market town, as well as a civil parish, on the east coast of County Antrim, Northern Ireland with a population of 18,323 people in the 2008 Estimate. As of 2011, there are about 32,000 residents in the greater Larne area. It has been used as a seaport for over 1,000 years, and is today a major passenger and freight roll-on roll-off port. Larne is twinned with Clover, South Carolina which has named one of its schools, Larne Elementary School, after Larne. Larne is administered by Larne Borough Council. Together with the neighbouring district of Carrickfergus and part of Newtownabbey, it forms the East Antrim constituency for elections to the Westminster Parliament and Northern Ireland Assembly. The civil parish is situated in the historic barony of Glenarm Upper.
Larne was a single-member county constituency of the Parliament of Northern Ireland.