| Mimasaka-Ōsaki Station | |
| Native Name: | 美作大崎駅 |
| Native Name Lang: | ja |
| Style: | JR West |
| Address: | Fukuriki, Tsuyama-shi, Okayama-ken 708-0857 |
| Country: | Japan |
| Coordinates: | 35.0453°N 134.0675°W |
| Owned: | West Japan Railway Company |
| Operator: | West Japan Railway Company |
| Distance: | 79.3km (49.3miles) from |
| Platforms: | 1 side platform |
| Status: | Unstaffed |
| Passengers: | 22 daily |
| Pass Year: | FY2019 |
| Map Type: | Japan Okayama Prefecture#Japan |
| Map Dot Label: | Mimasaka-Ōsaki Station |
| Mapframe: | yes |
| Mapframe-Zoom: | 17 |
is a passenger railway station located in the city of Tsuyama, Okayama Prefecture, Japan, operated by West Japan Railway Company (JR West).[1]
Mimasaka-Ōsaki Station is served by the Kishin Line, and is located 79.3 kilometers from the southern terminus of the line at .
The station consists of one ground-level side platform serving a single bi-directional track. There is no station building and the station is unattended.
Mimasaka-Ōsaki Station opened on November 28, 1934. 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 22 passengers daily..[2]