The olive-backed woodpecker (Gecinulus rafflesii) is a species of bird in the woodpecker family Picidae that is found in Southeast Asia.
The olive-backed woodpecker has yellow-green upperparts and gray-olive underparts. The side of the head has two black and white stripes. The male has a large red crest, the female has a smaller black crest.
The olive-backed woodpecker has a wide range in Southeast Asia, occurring in Myanmar, Thailand, Malaysia, Singapore, Brunei, and Indonesia (on the islands of Borneo and Sumatra). Its natural habitats are subtropical or tropical moist lowland, mangrove and montane forests; the species avoids clearings and secondary forest.