Shimonii Station (下新駅, Shimonii-eki) is a railway station in the city of Matsumoto, Nagano, Japan, operated by the private railway operating company Alpico Kōtsū.

The station has one ground-level side platform serving a single bi-directional track.

The station opened on 2 October 1921.

The station building was rebuilt in 1997.

In fiscal 2016, the station was used by an average of 90 passengers daily (boarding passengers only).