Shin-Toyamaguchi Station (新富山口駅, Shin-Toyamaguchi-eki) is a railway station on the Ainokaze Toyama Railway Line in the city of Toyama, Toyama Prefecture, Japan, operated by the third-sector railway operator Ainokaze Toyama Railway.

Shin-Toyamaguchi Station is served by the Ainokaze Toyama Railway Line and is 45.6 kilometres from the starting point of the line at Kurikara.

Shin-Toyamaguchi Station has 2 side platforms connected by a footbridge.

The platforms are 85 m (279 ft) in length, corresponding to the 4-car trains to be used at this station.

[3] The station area used to be a freight sorting yard for the Japan Freight Railway Company.