The Bicoloured Wren (Campylorhynchus griseus), now called the Bicolored Wren by the IOC (International Ornithological Congress), is a species of bird in the Troglodytidae family. It is found in Brazil, Colombia, Guyana, and Venezuela.

Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical dry shrubland, subtropical or tropical high-altitude shrubland, and heavily degraded former forest.