Koloth
- Full Name: Koloth
- Species: Klingon
- Gender: Male
- Father: Lasshar
- By 2261: Captain, commanding officer, Klingon Defense Force (TOS Novel: The Captain's Oath; TOS: "The Trouble with Tribbles"; TAS: "More Tribbles, More Troubles"; DS9: "Blood Oath")
- By March 2266: Commander, bridge weapons officer, Klingon Defense Force; IKS d'k tahg (TOS Novel: Errand of Vengeance: Killing Blow)
- April 2, 2266: Commander, first officer, Klingon Defense Force; IKS d'k tahg (TOS Novel: Errand of Vengeance: Killing Blow)
- April 2, 2266: Commanding officer, Klingon Defense Force; IKS d'k tahg (TOS Novel: Errand of Vengeance: Killing Blow)
- Following successful challenge against Captain Klak (TOS Novel: Errand of Vengeance: Killing Blow)
- Death: September 30, 2370; Secarus IV (DS9: "Blood Oath")
- Killed in combat with the Albino (DS9: "Blood Oath")