O. indicus may refer to:
- Olenecamptus indicus, a species of beetle
- Onustus indicus, a species of large sea snail
- Ophichthys indicus, the Bombay swamp eel
- Orthogonius indicus, a species of ground beetle
- Oryctocephalus indicus, a species of corynexochid trilobite
Synonyms edit
Odontotermes feae, a small species of earth dwelling termite