Marsh Caecilian
Ichthyophis hypocyaneus
- Least concern
- Card rarity: Common
- Amphibians

Ichthyophis hypocyaneus, the Javan caecilian or marsh caecilian, is a species of amphibian in the family Ichthyophiidae of caecilians, endemic to Java, Indonesia. Until its rediscovery in 2000, it was known only from the 1827 type specimen.
Classification
- Class
- Amphibia
- Order
- Gymnophiona
- Family
- Ichthyophiidae
- Genus
- Ichthyophis