- B-accent
- Back
- Back vowel
- Bandwidth
- Bark scale
- Basilar membrane
- Basilect
- Bernoulli effect
- Bidirectional assimilation
- Bilabial
- Bilateral opposition
- Binary feature
- Bitonal accent
- Biuniqueness
- Blade
- Bleeding
- Bone conduction
- Boundary
- Boundary tone
- Bounded foot
- Braces
- Breaking
- Breathed
- Breath group
- Breathy voice
- Broad consonant
- Broad focus
- Broad transcription
- Broca’s area
- Buccal
- Bundle
- Burst