The Bar-winged Prinia (Prinia familiaris) is a species of bird in the cisticola family Cisticolidae. The species is sometimes known as the Bar-winged Wren-warbler. It is endemic to Indonesia, where it occurs on the islands of Sumatra (where it occurs on the east of the island), Java and Bali.[2] It occupies a wide range of habitats, from mangrove forest at sea level to montane forest, and is tolerant of human modified environments such as gardens, parks and plantations. The presence of humans within its range is common and its willingness to adapt to the subsequent modified landscapes means it is not threatened with extinction.[2]

The Bar-winged Prinia is a distinctive prinia, 13 cm long and weighing 8-10 gm.[2] The plumage is white grading to yellow below with a grey cap and brown back and wings and a distinctive white double wingbar. The rump is yellow and the tail brown, with orange legs. Both sexes are alike and the juveniles resemble the adults. The song is a loud and repetitive high pitched chweet-chweet-chweet.