| bilabial | labio-velar | labio-dental | alveolar | palatal | velar | glottal | |
| stop | p, pʰ, b | t, tʰ, d | c | k, kʰ | ʔ | ||
| fricative | f, v | s | h | ||||
| nasal | m | n | ɲ | ŋ | |||
| approximant | w | j | |||||
| lateral approximant | l |
| front | central | back | |
| close | i | ɯ, u | |
| close-mid | e | o | |
| mid | ə | ||
| open-mid | ɛ | ɔ | |
| open | a |
| front | central | back | |
| close | iː | ɯː, uː | |
| close-mid | eː | oː | |
| mid | əː | ||
| open-mid | ɛː | ɔː | |
| open | aː |
/ia/, /ua/, /ɯa/
33, 35, 14, 52, 31
Ø
p, t, k, ʔ, m, n, ŋ, w, j
CVː, CVC
Source: Enfield, N. J. 2007. A grammar of Lao. Mouton grammar library 38. Berlin ; New York: Mouton de Gruyter.
Comments: Gedney (Gedney and Hudak 1997) has /ɤ/ instead of /ə/, his inventory of tones consists of 14, 22, 21ʔ, 33, 53ʔ, 55ʔ, and he has initial clusters kw and kʰw.
Contributed by: Dmitry Nikolaev (dnikolaev@fastmail.com)