| Koza Station | |
| Native Name: | 古座駅 |
| Native Name Lang: | ja |
| Type: | JR-West commuter rail station |
| Address: | 232, Nishimukai, Kushimoto-cho, Higashimuro-gun, Wakayama-ken 649-4122 |
| Country: | Japan |
| Owned: | West Japan Railway Company |
| Operator: | West Japan Railway Company |
| Line: | Kisei Main Line (Kinokuni Line) |
| Distance: | 215km (134miles) from 34.8km (21.6miles) from |
| Platforms: | 1 side platform |
| Tracks: | 2 |
| Train Operators: | West Japan Railway Company |
| Structure: | At grade |
| Accessible: | None |
| Status: | Unstaffed |
| Opened: | [1] |
| Electrified: | 1978[2] |
| Passengers: | 124 daily |
| Pass Year: | FY2019 |
| Map Type: | Japan Wakayama Prefecture#Japan |
| Map Dot Label: | Koza Station |
| Services Collapsible: | yes |
is a passenger railway station in located in the town of Kushimoto, Higashimuro District, Wakayama Prefecture, Japan, operated by West Japan Railway Company (JR West).
Koza Station is served by the Kisei Main Line (Kinokuni Line), and is located 215.0 kilometers from the terminus of the line at Kameyama Station and 34.8 kilometers from .
The station consists of one island platform connected to the station building by a footbridge. The station is unattended.
|-!colspan=5|West Japan Railway Company (JR West)
Koza Station opened on December 11, 1936. 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 124 passengers daily (boarding passengers only).[3]