The greater flameback (Chrysocolaptes guttacristatus), also known as the greater goldenback or large golden-backed woodpecker, is a woodpecker species. It occurs widely in the northern Indian subcontinent, eastwards to southern China, the Malay Peninsula, Sumatra, western and central Java and northeast Borneo. The greater flameback is a large woodpecker, at 33 cm in length. It is of typical woodpecker shape, and has an erect crest and a long neck. Coloration is highly variable between subspecies; it always has unmarked golden-yellow to dark brown back and wings. The rump is red and the tail is black. The underparts are white with dark markings (chevrons, stripes, or bands), or light brown. The head is whitish with a black pattern, or it is yellow, brown, or red. The straight-pointed bill is longer than the head, and the legs have four-toed zygodactyl feet (two toes pointing forward, two backward) and are lead-grey in color. The eyes' irises are whitish to yellow.

The adult male greater flameback always has a red crown. Females have a crown color varying between subspecies, such as black spotted with white, yellow, or brown with lighter dots. Young birds are like the females, but duller, with brown irises.

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