Ōizumi Station (大泉駅, Ōizumi-eki) is a railway station in the city of Toyama, Toyama Prefecture, Japan, operated by the private railway operator Toyama Chihō Railway.

Ōizumi Station is served by the Toyama Chihō Railway Fujikoshi Line, and is 2.2 kilometers from the starting point of the line at Inarimachi.

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

The station is unattended.

Ōizumi Station was opened on 26 September 1952.