Treutlera is a monotypic genus of flowering plants belonging to the family Apocynaceae.

[1] It is native to Nepal, the East Himalaya and Assam in India.

[1] The genus name of Treutlera is in honour of William John Treutler (1841–1915), a British doctor who also worked at Kew Gardens.

[2] The Latin specific epithet of insignis means significant.

[3] Both the genus and the species were first described and published in Hooker's Icon.