This is a list of places in Republic of Ireland which have standing links to local communities in other countries known as "town twinning" (usually in Europe) or "sister cities" (usually in the rest of the world). In the Republic of Ireland, this association is formalised by local government.

A

Adare Ardee Arklow Askeaton Athboy Athenry Athlone Athy Avoca

B

Bagenalstown Balbriggan Ballina Ballinasloe Ballincollig Ballybay Ballydehob Ballylanders Ballymahon Ballymakeera Ballymoe Ballyshannon Ballyvourney Balrothery Bandon Bantry Beaufort Blackrock Bray Buncrana Bundoran is a member of the Douzelage, a town twinning association of towns across the European Union, along with:

C

Cahir Cappamore Cappoquin County Carlow Carlow Carndonagh Carrickmacross Carrigaline Cashel is a member of the Charter of European Rural Communities, a town twinning association across the European Union, alongside with: Castlebar Castleblayney Castlecomer Castleisland Cavan Charleville County Clare Clifden Clonakilty Clonmel Cobh County Cork Cork Corofin Cúil Aodha

D

Dingle County Donegal Drogheda Drumshanbo Dublin Dún Laoghaire Dundalk Dungarvan Dunmanway Dunmore

E

Ennis Enniscorthy

F

Fermoy Ferns County Fingal

G

Galway Gorey Greystones

H

Hacketstown Headford

I

Inniscarra

K

Kanturk Kilcullen County Kildare Kildare Kilkee County Kilkenny Kilkenny Killaloe Killarney Killorglin Kilnamartyra Kilrush Kinsale

L

Lahinch County Laois Laragh Leixlip Letterkenny County Limerick Limerick Lismore Listowel Longford Loughshinny Louisburgh Lusk

M

Macroom Mallow Maynooth County Mayo County Meath Millstreet County Monaghan Monasterboice Murroe

N

Naas Navan Nenagh New Ross Newbridge

O

Oldcastle Oranmore

P

Passage West Portlaoise

R

Rathcoole Roscommon Roundwood Rush

S

Schull Shannon Sixmilebridge Skerries Sligo County South Dublin Swords

T

Taghmaconnell Templemore Thurles Tipperary Tralee Trim Tuam Tullamore Tydavnet

W

Waterford West Cork Westport County Wexford Wexford Whitegate County Wicklow Wicklow

Y

Youghal