Hippolais is a genus of tree warbler in the family Acrocephalidae. It is sometimes associated with the genus Iduna. The genus name Hippolais is from Ancient Greek hupolais, as misspelt by Linnaeus. It referred to a small bird mentioned by Aristotle and others and may be onomatopoeic or derived from hupo,"under", and laas, "stone".

Species: It contains the following species:

Image	Common name	Scientific name	Distribution
120px]]	Upcher´s warbler	Hippolais languida	eastern Africa, from Eritrea and Somalia south to Tanzania.
120px]]	Olive-tree warbler	Hippolais olivetorum	eastern and southern Africa, from Kenya south to South Africa.
120px]]	Melodious warbler	Hippolais polyglotta	western Europe and north Africa, and overwinters in west Africa south of the Sahara Desert.
120px]]	Icterine warbler	Hippolais icterina	northern France and Norway through most of northern and eastern Europe, south as far as the northern Balkan mountains and the Crimean peninsula