Brookesia thieli, commonly known as Domergue's leaf chameleon, is a species of lizard in the chamaeleon family, Chamaeleonidae. The species is endemic to eastern Madagascar. It was first described in 1969 by Édouard-Raoul Brygoo and Charles Antoine Domergue. This B. thieli lizard was photographed on a leaf in Andasibe, Madagascar.Photograph credit: Charles J. Sharp