is a passenger railway station in located in the town of Nachikatsuura, Higashimuro District, Wakayama Prefecture, Japan, operated by West Japan Railway Company (JR West).
Kii-Katsuura Station is served by the Kisei Main Line (Kinokuni Line), and is located 195.1 kilometers from the terminus of the line at Kameyama Station and 14.9 kilometers from . As well as being served by JR West trains heading towards , and such as the Kuroshio Limited Express, it is also the southern terminus of JR Central's Nanki Limited Express service to and from .
The station consists of one side platform and one island platform connected to the station building by a footbridge. The station has a Midori no Madoguchi staffed ticket office.
Kii-Katsuura Station opened as on the Shingu Railway on December 4, 1912. The Shingu Railway was nationalized on July 1, 1934, at which time the name was changed to its present name. With the privatization of the Japan National Railways (JNR) on April 1, 1987, the station came under the aegis of the West Japan Railway Company.
In fiscal 2019, the station was used by an average of 342 passengers daily (boarding passengers only).