Dendrelaphis oliveri, commonly known as Oliver's bronzeback, is a species of nonvenomous arboreal snake in the family Colubridae.

[2][3][4] It is considered to be the rarest of the Sri Lankan Dendrelaphis species on account of there being only a single recorded specimen.

However, D. oliveri can be further identified from D. effrenis by its colour patterns and the following characters: prefrontals contacting the 2nd, 3rd and 4th supralabials (vs only 2nd and 3rd), the presence of a ventrolateral stripe (vs absent) and 2 postoculars (vs 3).

The lack of a loreal scale is a character that is occasionally seen within the Dendrelaphis genus as an anomaly, but in the case of D. oliveri, this in combination with the presence of a black-white-black ventrolateral is unique to it, and with D. effrenis, all recorded specimens showed a lack of a loreal scale.

The type-locality for D. oliveri is stated as north of Trincomalee based on Taylor's original catalog notes.