Ninia diademata
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Dipsadidae
- genus: Ninia
- species: Ninia diademata
San Pedro Carchá
Alta Verapaz- Retalhuleu
Retalhuleu- San Rafael Pie de La Cuesta
San Marcos
Guatemala
Acacoyagua