J. Triphon was a Human 22nd century officer of Starfleet.

In January of 2155, he was listed as a Booster Systems officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. Their office was located in room #3453. (ENT: "Demons", directories)

This character was only mentioned in writing.
He was named after Enterprise propmaker James Triphon.