Critically endangered
4 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Nancy’s Shadowdamsel | — | — | Ceylonosticta nancyae | CR | Endemic | |
| Newton Jayawardanei’s Shrub Frog | — | — | Pseudophilautus newtonjayawardanei | CR | Endemic | |
| Nilgala Round-Eyed Gecko | — | — | Cnemaspis nilgala | CR | — | |
| Noellert’s Toad | — | — | Duttaphrynus noellerti | CR | Endemic |
