Buffalo Trunkfish
Lactophrys trigonus
- Least concern
- Card rarity: Common
- Fish

Lactophrys trigonus, the buffalo trunkfish or trunkfish, is a species of marine ray-finned fish belonging to the family Ostraciidae, the boxfishes. The buffalo trunkfish is found in the Western Atlantic Ocean.
Classification
- Class
- Actinopterygii
- Order
- Tetraodontiformes
- Family
- Ostraciidae
- Genus
- Lactophrys