The grey-breasted wood wren (Henicorhina leucophrys) is a species of bird in the family Troglodytidae.

"[5][6] The nominate subspecies of grey-breasted wood wren is 10 to 11.5 cm (3.9 to 4.5 in) long and weighs 13.5 to 17.7 g (0.48 to 0.62 oz).

[7] The grey-breasted wood wren forages singly or in small groups from the ground to only as high as 2 m (6.6 ft) in vegetation.

The nest has a round egg chamber with a downward facing antechamber and is constructed of fibrous rootlets with moss attached to the exterior.

The songs and calls of the grey-breasted wood wren vary considerably across its range.

In general the songs are "a series of very loud, ringing, energetic musical phrases, frequently repeated".