B
- Bahamas: Forward, Upward, Onward Together
- Bahrain: No official motto.
- Bangladesh: nationalism, secularism, democracy and socialism
- Barbados: Pride and Industry
- Bavaria: formerly, In treue fest (German, In loyalty steadfast)
- Belarus: No official motto.
- Belgium: Eendracht maakt macht, L'union fait la force and Einigkeit gibt Stärke (Dutch, French and German, Unity gives Strength)
- Belize: Sub umbra floreo (Latin, Under the shade I flourish)
- Benin: Fraternité, Justice, Travail (French, Fellowship, Justice, Labour)
- Bermuda: Quo fata ferunt (Latin: Whither the fates carry us)
- Bhutan: No official motto.
- Republic of Biafra: Peace, Unity, Freedom
- Bolivia: La Unión es la Fuerza (Spanish, Unity is Strength)
- Bosnia and Herzegovina: No official motto.
- Botswana: Pula (Tswana, Rain)
- Brazil: Ordem e progresso (Portuguese, Order and progress)
- Empire of Brazil: Independência ou Morte! (Portuguese, Independence or Death!)
- British Antarctic Territory: Research and Discovery
- British Indian Ocean Territory: In tutela nostra Limuria (Latin: "Limuria is in our charge")
- British Virgin Islands: Vigilate (Latin: Be watchful)
- Brunei: الدائمون المحسنون بالهدى (Arabic, Always in service with God's guidance)
- Bulgaria: Съединението прави силата (Bulgarian, Union Makes Strength)
- Burkina Faso: Unité, Progrès, Justice (French, Unity, Progress, Justice)
- Upper Volta: Unité, Travail, Justice (French, Unity, Work, Justice)
- Burundi: Unité, Travail, Progrès (French, Unity, Work, Progress)
Read more about this topic: List Of National Mottos