- Baandee
- Babakin
- Babbage Island
- Badgebup
- Badgerin Rock
- Badgin
- Badgingarra
- Badjaling
- Bailup
- Bakers Hill
- Balbarrup
- Balcatta
- Baldivis
- Balga
- Balingup
- Balkuling
- Balla Balla
- Balladong
- Balladonia
- Ballajura
- Ballaying
- Ballidu
- Bally Bally
- Bambun
- Bandy Creek
- Bandya
- Banjup
- Banksia Grove
- Banksiadale
- Bannister
- Barbalin
- Barberton
- Barrabup
- Barragup
- Barrow Island
- Baskerville
- Bassendean
- Bateman
- Baudin
- Baynton
- Bayonet Head
- Bayswater
- Beachlands
- Beacon
- Beaconsfield
- Beadell
- Beaufort River
- Beaumont
- Beckenham
- Bedford
- Bedfordale
- Beechboro
- Beechina
- Beedelup
- Beela
- Beelerup
- Beeliar
- Beenong
- Beermullah
- Bejoording
- Beldon
- Belhus
- Bellevue
- Belmont
- Bencubbin
- Benger
- Benjaberring
- Benjinup
- Bentley
- Beresford
- Berkshire Valley
- Bernier Island
- Bertram
- Beverley
- Bibra Lake
- Bickley
- Bicton
- Biddelia
- Big Grove
- Bilbarin
- Bilingurr
- Bimbijy
- Bindi Bindi
- Bindoon
- Bindoon Training Area
- Binduli
- Binningup
- Binnu
- Birchmont
- Bluff Point
- Blythewood
- Boallia
- Bobalong
- Bodallin
- Boddington
- Boilup
- Bokal
- Bolgart
- Bonnie Rock
- Bonniefield
- Boodarie
- Boodarockin
- Bookara
- Boolading
- Boonanarring
- Boorabbin
- Booragoon
- Booralaming
- Boorara
- Boorara Brook
- Bootenal
- Boothendarra
- Boranup
- Borden
- Borderdale
- Bornholm
- Boscabel
- Boulder
- Boundain
- Bouvard
- Bovell
- Bow Bridge
- Bowelling
- Bowes
- Bowgada
- Boxwood Hill
- Boya
- Boyanup
- Boyatup
- Boyerine
- Boyup Brook
- Bramley
- Brazier
- Breera
- Bremer Bay
- Brentwood
- Breton Bay
- Bridgetown
- Brigadoon
- Bringo
- Broadwater
- Broadway Nedlands
- Broadwood
- Brockman
- Broke
- Brookdale
- Brookhampton
- Brookton
- Broome
- Broomehill
- Broomehill East
- Broomehill West
- Brown Hill
- Brown Range
- Bruce Rock
- Brunswick
- Buckingham
- Buckland
- Bulgarra
- Bull Creek
- Bullabulling
- Bullaring
- Buller
- Bullfinch
- Bullock Hills
- Bullsbrook
- Bulong
- Bulyee
- Bunbury
- Bundanoon
- Bungulla
- Buniche
- Bunjil
- Buntine
- Burakin
- Buraminya
- Burekup
- Burges
- Burlong
- Burma Road
- Burns Beach
- Burnside
- Burracoppin
- Burran Rock
- Burrup
- Burswood
- Busselton
- Butler
- Byford