- Ballinrobe
- Bahobuck
- Baile an Chaisleáin
- Baile an Dúna
- Baile an Fhormna
- Baile an Lisín
- Baile an Lurgain
- Baile an Mhothair
- Baile an Teampaill
- Baile an tSéipéil
- Baile na Craige
- Baile na Creige
- Baile na Seoigheach
- Balinlig
- Balla
- Ballaba
- Ballagh
- Ballaghadereen
- Ballaghboy
- Ballaghfarna
- Ballaghnatrillick
- Ballaghnatrillick Bridge
- Ballard
- Ballardiggan
- Ballina
- Ballina
- Ballinaboy
- Ballinacostello
- Ballinafad
- Ballinafad