- For the mirror universe counterpart, see Kaybok (mirror).
Kaybok was a male Klingon who lived in the 24th century. Kaybok held the rank of commander in the Klingon Defense Force and held the rank of commander in the 2370s. He commanded the IKS M'Char
In 2372, Kaybok was assigned to search the SS Xhosa for Changeling infiltrators and attempted to board the vessel. After the USS Defiant arrived and threatened to fire on the M'Char, Kaybok backed down, although Martok ordered him to be executed for doing so. (DS9 episode: "The Way of the Warrior")
Kaybok was killed by Paghal, who he had once served with. They were also friends, although Paghal showed no emotion when he executed Kaybok. (DS9 novelization: The Way of the Warrior)