Cyornis is a genus of passerine birds belonging to the Old World flycatcher family Muscicapidae.

Muscicapidae: Muscicapa comes from the Latin musca meaning a fly, and capere to catch.

Cyornis combines the Ancient Greek kuanos meaning "dark-blue" with ornis meaning "bird".

1/ Hainan blue flycatcher (Cyornis hainanus, Đớp ruồi xanh hải nam)

2/ Pale blue flycatcher (Cyornis unicolor, Đớp ruồi xanh nhạt)

3/ Indochinese blue flycatcher (Cyornis sumatrensis)

4/ Chinese blue flycatcher (Cyornis glaucicomans)