Arhanla
- Full Name: Arhanla
- Species: Deltan
- Gender: Male
- By 2262: Lieutenant, science officer, Starfleet; Starfleet Science archaeological station, Vega IX (TOS Novel: The Captain's Oath)
- Death: March 2262; Vega debris disk (TOS Novel: The Captain's Oath)
- Killed due to EVA suit failure following detonation of abandoned Vegan materiel during archaeological investigation (TOS Novel: The Captain's Oath)