Harpesaurus is a genus of lizards in the family Agamidae. The genus is endemic to Indonesia.
Geographic range
Species of the genus Harpesaurus are found on the Greater Sunda Islands.
{| class="wikitable"
|+
!Species
!Common name
!Range
|-
|Harpesaurus beccarii
|Sumatra nose-horned lizard
|Sumatra
|-
|Harpesaurus borneensis
|
|Borneo
|-
|Harpesaurus brooksi
|
|Sumatra
|-
|Harpesaurus ensicauda
|Nias nose-horned lizard
|Nias
|-
|Harpesaurus modiglianii
|Modigliani's nose-horned lizard
|Sumatra
|-
|Harpesaurus tricinctus
|Java nose-horned lizard
|Likely Java
|}
The species formerly known as H. thescelorhinos is a synonym of H. borneensis.
The Sumatran species H. modiglianii was previously known only from the type specimen, collected in 1891, but was found again in 2018.