All cities and villages in Ireland
- Baltray
- Banada
- Banagher
- Bandon
- Bangor
- Banna
- Banoge
- Bansha
- Banteer
- Bantry
- Barloge
- Barmona
- Barna
- Bearna
- Barna
- Barnacahoge
- Barnacurra
- Barnaderg
- Barnesmore
- Barnycarroll
- Barrabehy
- Barrack Village
- Barrack Village
- Barraduff
- Barratogher
- Barrigone
- Barringtonsbridge
- Barronstown
- Barrow
- Barry
- Barrykilla
- Bartlemy
- Batterstown
- Battle Bridge
- Bauraneag
- Baurscoob
- Bawn
- Bawnboy
- Bawn Cross Roads
- Bawn Cross Roads
- Bawnmore
- Bay View
- Beal
- Bealadangan
- Bealaha
- Bealin
- Bealnablath
- Bealock
- Beaufort
- Beaufort House
- Beaulieu House
- Bective
- Bedlam
- Beennamweel
- Behagh
- Bekan
- Belalt
- Belclare
- Belderg
- Belgooly
- Bellacorick
- Bellaheady Bridge
- Bellahy
- Bellanaboy
- Bellanaboy Bridge
- Bellanacargy
- Bellanagare
- Bellanamullia
- Bellananagh
- Ballinode
- Bellatrain
- Bellaugh
- Bellavary
- Bealaclugga
- Bellia
- Belmont
- Belmont
- Belmullet
- Beltany Lower
- Beltany Upper
- Beltra
- Beltra
- Belturbet
- Belvelly
- Belville
- Bennettsbridge
- Bettystown
- Bilboa
- An Geata Mór
- Birdhill
- Birr
- Bishopshall
- Bishops Village
- Black Bull
- The Black Bush
- Blacklion
- Blacklion
- Blackpool
- Blackrock
- Blackrock
- Blackrock
- Blacksod
- Blackwater
- Blackwater Bridge
- Blackwood
- Blairs Cove
- Blanchardstown
- Blarney
- Bleach Hill
- Blennerville
- Blessington
- Blue Ball
- Bluebell
- Bobsville
- Bodyke
- Boghadoon
- Boher
- Boheraphuca
- Boherbue
- Boherglass
- Bohermeen
- Bohola
- Boleyvogue
- Boolakennedy
- Boolteens
- Boolyglass
- Borim
- Boro Bridge
- Borris
- Borris in Ossory
- Borrisokane
- Borrisoleigh
- Boston
- Boston
- Bottlehill
- Bourney
- Boyle
- Boystown
- Brackhill
- Bracknagh
- Braddocks
- Brandon
- Bray
- Breaghwy
- Bree
- Breedoge
- Breenagh
- Brickeens
- Bridebridge
- Brideswell
- Bridge End
- Bridgeland
- Bridgetown
- Bridgetown
- Bridgetown
- Bridgetown
- Brinlack
- Briskil Lower
- Briskil Upper
- Brittas
- Broadford
- Broadford
- Broadway
- Brockagh
- Brooklodge
- Brookville
- Broomfield
- Brosna
- Brosna
- Broughal
- Brownhall Demesne
- Brownsbarn Bridge
- Brownsmills
- Brownswood
- Bruckless
- Bruff
- Bruree
- Bulgaden
- Bullaun
- Bullys Corner
- Bunaw
- Bunbeg
- Bunbrosna
- Bunclody
- Bundoran
- Bundorragha
- Bunglass
- Bunlacken
- Bunlahy
- Bunmahon
- Bunnahowen
- Bunnanaddan
- Bunnyconnellan
- Bunratty
- Bunratty East
- Bunratty West
- Bunree
- Burkestown Cross Roads
- Burncourt
- Burnfoot
- Burnfort
- Burren
- Burrow
- Burtonport
- Burtown Cross Roads
- The Bush
- Bushfield
- Bushfield
- Bushville
- Butlersbridge
- Butlerstown
- Buttevant
- Byrnesgrove
- Cabinteely
- Cabraghkeel
- Cabry
- Cadamstown
- Caher
- Cahir
- Caher
- Caher
- Caheracruttera
- Caherbarnagh
- Caherconlish
- Caherdaniel
- Caherkeen
- Caherlistrane
- Cahermacun
- Cahermore
- Cahersiveen
- Cahir Guillamore
- Callaghane Bridge
- Callan
- Callow
- Caltra
- Caltragh
- Caltragh
- Calverstown
- Camaross
- Camolin
- Camp
- Campile
- Camport
- Camross
- Cangort
- Canningstown
- Cappagh
- Cappagh
- Cappagh
- Cappagh