| Animalia | Primates | Hylobatidae | Nomascus | Nomascus hainanus |
- Common Names: Hainan Crested Gibbon, Hainan Gibbon
- Taxonomy Classification Year: 1892
- Monkey Size: 48.4 to 49.1 cm (19.05 to 19.33)
- Skin Color(s): Brownish buff or black
- Habitat: Rainforest, mountains
- Diet: Omnivorous
- Native Countries: China
