韩语的音节由19个子音和21个母音共有40个音节组成。具体如下：
<子音 >
[g/k] [n] [d] [r/l] [m] [b/p] [s]
[giyeok] [nieun] [digeut] [rieul] [mieum] [bieup] [siot]
[o/ng] [j] [ch] [k] [t] [p] [h]
[ieung] [jieut] [chieut] [kieuk] [tieut] [pieup] [hieut]
[kk] [tt] [pp] [ss] [jj]
[ssang kiyeok] [ssang digeut] [ssang bieup] [ssang siot] [ssang jieut]
< 母音 >
[a] [ya] [eo] [yeo] [o] [yo] [yu] [eu]
