Koth may refer to:
- Koth, a species
- Koth (character), the fictional character and protagonist of "Battlecruiser Vengeance".
- Koth (Lieutenant), the 24th century Klingon officer.
- Koth (noH'pach), chief mechanic of the IKS noH'pach.
- Koth (Emperor), the last Emperor of the Klingon Empire before Kahless, son of Kahless.
- Koth (Shirn), a Shirn male
- Koth (Warden), Warden of Rura Penthe in the late 23rd century
- Koth (23rd century), a Klingon in the alternate 23rd century