The IKS Orantho was a Klingon Bird-of-Prey that served with the Klingon Defense Force in the late 24th century. The Orantho was one of the five ships in General Martok's raiding party of 2375.
The vessel was part of the main strike force against Trelka V. Its captain and first officer were killed during the assault, while the ship itself suffered a hull breach on its port quarter. (DS9: "Once More Unto the Breach")
According to the script for the episode , the pronunciation for Orantho was "O-ran-tho".