B
- (Province of Nueva Vizcaya) Bayacabac
- (Province of Isabela) Bayabu I
- (Province of Isabela) Bayabo
- (Province of Isabela) Bayabo West
- (Province of Cagayan) Bayabat
- (Province of Cagayan) Bayabat
- (Province of Cagayan) Bawang
- (Province of Isabela) Baui
- (Province of Cagayan) Bauan
- (Province of Cagayan) Bauan
- (Province of Cagayan) Baua
- (Province of Nueva Vizcaya) Batu Ferry
- (Province of Cagayan) Batubatu
- (Province of Cagayan) Batu
- (Province of Cagayan) Batu
- (Province of Cagayan) Battuguit
- (Province of Isabela) Batang
- (Province of Cagayan) Batitgao
- (Province of Batanes) Batan Islands
- (Province of Batanes) Batan Island
- (Province of Isabela) Basilio
- (Province of Cagayan) Basi
- (Province of Nueva Vizcaya) Bascaran
- (Province of Cagayan) Basao
- (Province of Isabela) Barvung
- (Province of Cagayan) Barung
- (Province of Isabela) Barumbong
- (Province of Cagayan) Barogan
- (Province of Isabela) Baromoong
- (Province of Cagayan) Barit Island