Hiraiso Station (平磯駅, Hiraiso-eki) is a passenger railway station on the Minato Line in the city of Hitachinaka, Ibaraki, Japan, operated by the third-sector railway operator Hitachinaka Seaside Railway.

Hiraiso Station is served by the 14.3 km single-track Hitachinaka Seaside Railway Minato Line from Katsuta to Ajigaura, and lies 10.8 km from the starting point of the line at Katsuta.

The station has a single side platform serving traffic in both directions. The station building is a portion of a local supermarket. The station was modernized in 2011 with toilets and wheelchair accessibility.

Hiraiso Station opened on 3 September 1924 as a station on the Minato Railway.

In fiscal 2011, the station was used by an average of 144 passengers daily.

• Hiraiso Post Office
• Hiraiso swimming beach

• List of railway stations in Japan

• Media related to Hiraiso Station at Wikimedia Commons
• Hitachinaka Seaside Railway station information (in Japanese)