
Noun: Bahamian(s)
Adjective: Bahamian

Noun: Bahraini(s)
Adjective: Bahraini

Noun: Bangladeshi(s)
Adjective: Bangladeshi

Noun: Barbadian(s) or Bajan (colloquial)
Adjective: Barbadian or Bajan (colloquial)

Noun: Belarusian(s)
Adjective: Belarusian

Noun: Belgian(s)
Adjective: Belgian

Noun: Belizean(s)
Adjective: Belizean

Noun: Beninese (singular and plural)
Adjective: Beninese

Noun: Bermudian(s)
Adjective: Bermudian

Noun: Bhutanese (singular and plural)
Adjective: Bhutanese

Noun: Bolivian(s)
Adjective: Bolivian

Noun: Bosnian(s), Herzegovinian(s)
Adjective: Bosnian, Herzegovinian

Noun: Motswana (singular), Batswana (plural)
Adjective: Motswana (singular), Batswana (plural)

Noun: Brazilian(s)
Adjective: Brazilian

Noun: British Virgin Islander(s)
Adjective: British Virgin Islander

Noun: Bruneian(s)
Adjective: Bruneian

Noun: Bulgarian(s)
Adjective: Bulgarian

Noun: Burkinabe (singular and plural)
Adjective: Burkinabe

Noun: Burmese (singular and plural)
Adjective: Burmese

Noun: Burundian(s)
Adjective: Burundian