River with B
- Brahmaputra
- black river
- Black
- Bosna
- Beas
- Bog River
- Brown
- Blue Nile
- Boston river
- Boise
- Blue river
- Bengal
- Brazos
- Bhramaputra
- bean river
- bear creek
- Boardman River
- brown river
- Boyne
- Bear river
- bravo
- Brent
- Baltimore River
- Baltimore
- Bramhaputra
- Beach
- Back creek
- Big Vermillion
- Brooklyn river
- Belize
- Bode
- bogota
- banas
- Bile
- Bronx
- Bass
- Bhramputra
- Bangladesh
- Basin
- bay
- Boy
- Bean
- Bill
- Bengali
- ball
- Bourne
- Bodensee
- Bay of bengal
- bengal river
- Boise river
- Bahamas
- bug
- Banas River
- Bhagirathi
- bog
- Brandywine
- berlin
- brook
- bosnia
- Baby
- Barrow
- Banksy
- Buffalo River
- Blackwater
- Benue
- Banana river
- Bosphorus
- Brigach
- Bell
- Brisbane River
- bangladesh river
- Babylon river
- ben
- Bass River
- Bore
- baltic
- Buna
- boardman
- bad river
- Babuna
- bad
- baron
- blood
- butt
- Buriganga
- Bat
- Bond
- Bason
- Boyd
- Betwa
- Barwon
- Bow river
- bojana
- beni
- Bruce
- bongo
- Bann
- Bude
- Bhutan
- bishop river
Le parole nell'elenco River with B provengono dai giocatori del gioco di parole Nomi, Cose, Città.