The bilabial consonants identified by the International Phonetic Alphabet (IPA) are:
|voiceless bilabial plosive||English||spin||[sp?n]|
|voiced bilabial plosive||English||bed||[b?d]|
|voiceless bilabial fricative||Japanese||(fujisan)||[?u?isa?]||Mount Fuji|
|voiced bilabial fricative||Ewe||???||[?]||Ewe|
|bilabial trill||Nias||simbi||[si?i]||lower jaw|
|bilabial click release (many distinct consonants)||N?ng||?oe||[koe]||meat|
Owere Igbo has a six-way contrast among bilabial stops: [p p? b b? ?]. Approximately 0.7% of the world's languages lack bilabial consonants altogether, including Tlingit, Chipewyan, Oneida, and Wichita.
The extensions to the IPA also define a bilabial percussive ([?]) for striking the lips together (smacking the lips - see percussive consonant). A lip-smack in the non-percussive sense of the lips noisily parting would be .
The IPA chart shades out bilabial lateral consonants, which is sometimes read as indicating that such sounds are not possible. The fricatives [?] and [?] are often lateral, but since no language makes a distinction for centrality, the allophony is not noticeable.