The Scaly-breasted Wren-babbler (Pnoepyga albiventer) is a species of passerine bird in the Old World babbler family Timaliidae. It is found in Bhutan, China, India, Myanmar, Nepal, and Vietnam. The Taiwan Wren-babbler was once treated as a subspecies of this species. Its natural habitat is subtropical moist montane forest. Within that habitat it is usually found near water. The species undertakes some altitudeinal migration, moving closer to sea level during the winter over some of its range.
The Scaly-breasted Wren-babbler is a very small babbler with almost no tail, around 9 cm long and weighing between 19-23 g. The plumage is olive on the back and lightly scalloped on the chest.