Boulenger's tree agama (Dendragama boulengeri) is a species of lizard in the family Agamidae. The species is endemic to Sumatra.
Both the specific name, boulengeri, and the common name, Boulenger's tree agama, are in honor of Belgian-born British herpetologist George Albert Boulenger.
Dorsally, D. boulengeri is bluish green, with blackish crossbars. Ventrally it is pinkish, with brown spots. It may attain a snout-to-vent length (SVL) of 7.3 cm (2.9 in), with a tail length of 16 cm (6.3 in).
D. boulengeri is oviparous.