The IKS Fek'lhr was a Klingon vessel involved in the Dominion War.
In 2375, the Fek'lhr reported numerous crew casualties, which were displayed on a LCARS display aboard Deep Space 9. (DS9: "Image in the Sand", "The Siege of AR-558")
- Named for Fek'lhr, a figure in Klingon mythology. According to the non-canon Decipher role-playing game, the IKC Fek'lhr was one of the Voodieh-class cruisers that appeared in TNG: "All Good Things...".