River with B
- Brahmaputra
- black river
- Black
- Bosna
- Beas
- Bog River
- Brown
- Boise
- Boston river
- Blue Nile
- Blue river
- Bengal
- Brazos
- bean river
- Bhramaputra
- Hirdetés
- Boyne
- brown river
- bear creek
- Boardman River
- Bear river
- Baltimore River
- bravo
- Brent
- Baltimore
- Back creek
- Beach
- Bile
- banas
- Belize
- Brooklyn river
- Bode
- Bramhaputra
- bogota
- Bangladesh
- Bass
- Big Vermillion
- Bronx
- Basin
- bay
- Bhramputra
- Bean
- Boy
- ball
- bog
- Bill
- Bourne
- Boise river
- Bengali
- Bodensee
- bengal river
- Bhagirathi
- Banas River
- Brandywine
- Bahamas
- brook
- Buffalo River
- bug
- Banksy
- Baby
- bosnia
- Hirdetés
- berlin
- Barrow
- butt
- bad river
- blood
- bad
- Blackwater
- boardman
- Bosphorus
- baron
- Banana river
- baltic
- Bore
- Benue
- ben
- Buna
- bangladesh river
- Babylon river
- Brigach
- Bass River
- Babuna
- Brisbane River
- Bell
- brooklyn
- Bason
- Bohemia
- broad river
- Bow river
- Brda
- Buriganga
- Bruce
- Bison
- Best
- Bee
- bishop river
- beni
- Bann
- Bhutan
- bojana
- Bat
A River with B listán szereplő szavak a Ország Város szójáték játékosaitól származnak.