Singular Bannerfish
Heniochus singularius
- Least concern
- Card rarity: Common
- Fish

Heniochus singularius, the singular bannerfish, is a species of marine ray-finned fish, a butterflyfish from the family Chaetodontidae. It is found in the Indo-Pacific region.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Chaetodontidae
- Genus
- Heniochus