Centrocestus armatus is a species of trematodes, or fluke worms, in the family Heterophyidae.
This species occurs in Japan, Taiwan, Korea, Southeast Asia.
The first intermediate hosts of Centrocestus armatus include freshwater snails Semisulcospira libertina.
The second intermediate hosts include fish Nipponocypris temminkii and Zacco platypus.
The final hosts include Black-crowned night heron Nycticorax nycticorax.
It may infect humans.