Echis carinatus sinhaleyus is a venomous viper subspecies[2] endemic to Sri Lanka.

[3] Sri Lankan saw-scaled viper.

[4] Known as vali polanga (වැලි පොලඟා)[5] (can also be spelt as veli polanga) by the Sinhala speaking community.

The vernacular name veli polanga translates as "sand viper".

[3] The type locality is described as "Chavakachcheri, Jaffna Peninsula" (Northern Province, Sri Lanka).