| Ōuchiyama Station | |
| Native Name: | 大内山駅 |
| Native Name Lang: | ja |
| Style: | JR Central |
| Address: | 759 Ōuchiyama, Taiki-machi, Watarai-gun, Mie-ken 519-2700 |
| Country: | Japan |
| Operator: | JR Tōkai |
| Line: | Kisei Main Line |
| Distance: | 86.9 km from |
| Platforms: | 1side + 1 island platform |
| Tracks: | 2 |
| Structure: | Ground level |
| Status: | Unstaffed |
| Opened: | November 13, 1927 |
| Passengers: | 35 daily |
| Pass Year: | FY2019 |
| Map Type: | Japan Mie Prefecture#Japan |
| Map Dot Label: | Ōuchiyama Station |
thumb|right|260px|Station building is a railway station is a passenger railway station in located in the town of Taiki, Watarai District, Mie Prefecture, Japan, operated by Central Japan Railway Company (JR Tōkai).
Ōuchiyama Station is served by the Kisei Main Line, and is located 86.9km (54miles) from the terminus of the line at Kameyama Station.
The station consists of a single side platform and a single island platform serving three tracks, connected by a footbridge. The station is unattended.
Ōuchiyama Station opened on 13 November 1927 as a station on the Japanese Government Railways (JGR) Kisei-East Line. The line was extended on to Kii-Nagashima Station on 26 April 1929. The JGR became the Japan National Railways (JNR) after World War 2, and the line was renamed the Kisei Main Line on 15 July 1959. The station has been unattended since 21 December 1983. The station was absorbed into the JR Central network upon the privatization of the JNR on 1 April 1987. A new station building was completed in 2002.
In fiscal 2019, the station was used by an average of 35 passengers daily (boarding passengers only).[1]